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# b92dd117 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat res

perf vendor events power10: Fix hv-24x7 metric events

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


# e2ec5bb7 14-Oct-2022 Kajol Jain <kjain@linux.ibm.com>

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAIL

perf vendor events power10: Fix hv-24x7 metric events

[ Upstream commit b92dd11725a7c57f55e148c7d3ce58a86f480575 ]

Testcase stat_all_metrics.sh fails in powerpc:

90: perf all metrics test : FAILED!

The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.

Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.

Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.

Result in powerpc box after this patch changes:

90: perf all metrics test : Ok

Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

show more ...


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