Revision tags: v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3, v6.5.2, v6.1.51, v6.5.1, v6.1.50, v6.5, v6.1.49, v6.1.48, v6.1.46 |
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5ceb8b5b |
| 14-Aug-2023 |
Kajol Jain <kjain@linux.ibm.com> |
perf vendor events: Update metric events for power10 platform
Update JSON/events for power10 platform with additional metrics.
Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atr
perf vendor events: Update metric events for power10 platform
Update JSON/events for power10 platform with additional metrics.
Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Disha Goel <disgoel@linux.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230814112803.1508296-7-kjain@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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edd65d2b |
| 14-Aug-2023 |
Kajol Jain <kjain@linux.ibm.com> |
perf vendor events: Update metric event names for power10 platform
Update metric event name for some of the JSON/metric events for power10 platform.
Fixes: 3ca3af7d1f230d1f ("perf vendor events pow
perf vendor events: Update metric event names for power10 platform
Update metric event name for some of the JSON/metric events for power10 platform.
Fixes: 3ca3af7d1f230d1f ("perf vendor events power10: Add metric events JSON file for power10 platform") Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Disha Goel <disgoel@linux.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230814112803.1508296-6-kjain@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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4836b9a8 |
| 14-Aug-2023 |
Kajol Jain <kjain@linux.ibm.com> |
perf vendor events: Drop STORES_PER_INST metric event for power10 platform
Drop STORES_PER_INST metric event for the power10 platform, as the metric expression of STORES_PER_INST metric event using
perf vendor events: Drop STORES_PER_INST metric event for power10 platform
Drop STORES_PER_INST metric event for the power10 platform, as the metric expression of STORES_PER_INST metric event using dropped event PM_ST_FIN.
Fixes: 3ca3af7d1f230d1f ("perf vendor events power10: Add metric events JSON file for power10 platform") Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Disha Goel <disgoel@linux.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230814112803.1508296-3-kjain@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v6.1.45, v6.1.44, v6.1.43, v6.1.42, v6.1.41, v6.1.40, v6.1.39, v6.1.38, v6.1.37, v6.1.36, v6.4, v6.1.35, v6.1.34, v6.1.33, v6.1.32, v6.1.31, v6.1.30, v6.1.29, v6.1.28, v6.1.27, v6.1.26, v6.3, v6.1.25, v6.1.24, v6.1.23, v6.1.22, v6.1.21, v6.1.20, v6.1.19, v6.1.18, v6.1.17, v6.1.16, v6.1.15, v6.1.14, v6.1.13, v6.2 |
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cf26e043 |
| 16-Feb-2023 |
Athira Rajeev <atrajeev@linux.vnet.ibm.com> |
perf vendor events power10: Add JSON metric events to present CPI stall cycles in powerpc
Power10 Performance Monitoring Unit (PMU) provides events to understand stall cycles of different pipeline s
perf vendor events power10: Add JSON metric events to present CPI stall cycles in powerpc
Power10 Performance Monitoring Unit (PMU) provides events to understand stall cycles of different pipeline stages. These events along with completed instructions provides useful metrics for application tuning.
Patch implements the JSON changes to collect counter statistics to present the high level CPI stall breakdown metrics. New metric group is named as "CPI_STALL_RATIO" and this new metric group presents these stall metrics:
- DISPATCHED_CPI ( Dispatch stall cycles per insn ) - ISSUE_STALL_CPI ( Issue stall cycles per insn ) - EXECUTION_STALL_CPI ( Execution stall cycles per insn ) - COMPLETION_STALL_CPI ( Completition stall cycles per insn )
To avoid multipling of events, PM_RUN_INST_CMPL event has been modified to use PMC5(performance monitoring counter5) instead of PMC4. This change is needed, since completion stall event is using PMC4.
Usage example:
./perf stat --metric-no-group -M CPI_STALL_RATIO <workload>
Performance counter stats for 'workload':
63,056,817,982 PM_CMPL_STALL # 0.28 COMPLETION_STALL_CPI 1,743,988,038,896 PM_ISSUE_STALL # 7.73 ISSUE_STALL_CPI 225,597,495,030 PM_RUN_INST_CMPL # 6.18 DISPATCHED_CPI # 37.48 EXECUTION_STALL_CPI 1,393,916,546,654 PM_DISP_STALL_CYC 8,455,376,836,463 PM_EXEC_STALL
"--metric-no-group" is used for forcing PM_RUN_INST_CMPL to be scheduled in all group for more accuracy.
Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Acked-by: Ian Rogers <irogers@google.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Disha Goel <disgoel@linux.ibm.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: linuxppc-dev@lists.ozlabs.org Link: https://lore.kernel.org/r/20230216061240.18067-1-atrajeev@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Revision tags: v6.1.12, v6.1.11, v6.1.10, v6.1.9, v6.1.8, v6.1.7, v6.1.6, v6.1.5, v6.0.19, v6.0.18, v6.1.4, v6.1.3, v6.0.17, v6.1.2, v6.0.16, v6.1.1, v6.0.15, v6.0.14, v6.0.13, v6.1, v6.0.12, v6.0.11, v6.0.10, v5.15.80, v6.0.9, v5.15.79, v6.0.8, v5.15.78, v6.0.7, v5.15.77, v5.15.76, v6.0.6, v6.0.5, v5.15.75, v6.0.4, v6.0.3, v6.0.2, v5.15.74, v5.15.73, v6.0.1, v5.15.72, v6.0, v5.15.71, v5.15.70, v5.15.69, v5.15.68, v5.15.67, v5.15.66, v5.15.65, v5.15.64, v5.15.63, v5.15.62, v5.15.61, v5.15.60, v5.15.59, v5.19, v5.15.58, v5.15.57, v5.15.56, v5.15.55, v5.15.54, v5.15.53, v5.15.52, v5.15.51, v5.15.50, v5.15.49, v5.15.48, v5.15.47, v5.15.46, v5.15.45, v5.15.44, v5.15.43, v5.15.42, v5.18, v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.17, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.16, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2 |
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3ca3af7d |
| 08-Nov-2021 |
Kajol Jain <kjain@linux.ibm.com> |
perf vendor events power10: Add metric events JSON file for power10 platform
Add PMU metric JSON file for power10 platform.
Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Reviewed-by: Paul Clarke
perf vendor events power10: Add metric events JSON file for power10 platform
Add PMU metric JSON file for power10 platform.
Signed-off-by: Kajol Jain <kjain@linux.ibm.com> Reviewed-by: Paul Clarke <pc@us.ibm.com> Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Nageswara R Sastry <rnsastry@linux.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org Link: http://lore.kernel.org/lkml/20211108060010.177517-1-kjain@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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