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# 08ed77e4 01-Sep-2020 Kim Phillips <kim.phillips@amd.com>

perf vendor events amd: Add recommended events

Add support for events listed in Section 2.1.15.2 "Performance
Measurement" of "PPR for AMD Family 17h Model 31h B0 - 55803
Rev 0.54 - Sep 12, 2019".

perf vendor events amd: Add recommended events

Add support for events listed in Section 2.1.15.2 "Performance
Measurement" of "PPR for AMD Family 17h Model 31h B0 - 55803
Rev 0.54 - Sep 12, 2019".

perf now supports these new events (-e):

all_dc_accesses
all_tlbs_flushed
l1_dtlb_misses
l2_cache_accesses_from_dc_misses
l2_cache_accesses_from_ic_misses
l2_cache_hits_from_dc_misses
l2_cache_hits_from_ic_misses
l2_cache_misses_from_dc_misses
l2_cache_misses_from_ic_miss
l2_dtlb_misses
l2_itlb_misses
sse_avx_stalls
uops_dispatched
uops_retired
l3_accesses
l3_misses

and these metrics (-M):

branch_misprediction_ratio
all_l2_cache_accesses
all_l2_cache_hits
all_l2_cache_misses
ic_fetch_miss_ratio
l2_cache_accesses_from_l2_hwpf
l2_cache_hits_from_l2_hwpf
l2_cache_misses_from_l2_hwpf
l3_read_miss_latency
l1_itlb_misses
all_remote_links_outbound
nps1_die_to_dram

The nps1_die_to_dram event may need perf stat's --metric-no-group
switch if the number of available data fabric counters is less
than the number it uses (8).

Committer testing:

On a AMD Ryzen 3900x system:

Before:

# perf list all_dc_accesses all_tlbs_flushed l1_dtlb_misses l2_cache_accesses_from_dc_misses l2_cache_accesses_from_ic_misses l2_cache_hits_from_dc_misses l2_cache_hits_from_ic_misses l2_cache_misses_from_dc_misses l2_cache_misses_from_ic_miss l2_dtlb_misses l2_itlb_misses sse_avx_stalls uops_dispatched uops_retired l3_accesses l3_misses | grep -v "^Metric Groups:$" | grep -v "^$"
#

After:

# perf list all_dc_accesses all_tlbs_flushed l1_dtlb_misses l2_cache_accesses_from_dc_misses l2_cache_accesses_from_ic_misses l2_cache_hits_from_dc_misses l2_cache_hits_from_ic_misses l2_cache_misses_from_dc_misses l2_cache_misses_from_ic_miss l2_dtlb_misses l2_itlb_misses sse_avx_stalls uops_dispatched uops_retired l3_accesses l3_misses | grep -v "^Metric Groups:$" | grep -v "^$" | grep -v "^recommended:$"
all_dc_accesses
[All L1 Data Cache Accesses]
all_tlbs_flushed
[All TLBs Flushed]
l1_dtlb_misses
[L1 DTLB Misses]
l2_cache_accesses_from_dc_misses
[L2 Cache Accesses from L1 Data Cache Misses (including prefetch)]
l2_cache_accesses_from_ic_misses
[L2 Cache Accesses from L1 Instruction Cache Misses (including
prefetch)]
l2_cache_hits_from_dc_misses
[L2 Cache Hits from L1 Data Cache Misses]
l2_cache_hits_from_ic_misses
[L2 Cache Hits from L1 Instruction Cache Misses]
l2_cache_misses_from_dc_misses
[L2 Cache Misses from L1 Data Cache Misses]
l2_cache_misses_from_ic_miss
[L2 Cache Misses from L1 Instruction Cache Misses]
l2_dtlb_misses
[L2 DTLB Misses & Data page walks]
l2_itlb_misses
[L2 ITLB Misses & Instruction page walks]
sse_avx_stalls
[Mixed SSE/AVX Stalls]
uops_dispatched
[Micro-ops Dispatched]
uops_retired
[Micro-ops Retired]
l3_accesses
[L3 Accesses. Unit: amd_l3]
l3_misses
[L3 Misses (includes Chg2X). Unit: amd_l3]
#

# perf stat -a -e all_dc_accesses,all_tlbs_flushed,l1_dtlb_misses,l2_cache_accesses_from_dc_misses,l2_cache_accesses_from_ic_misses,l2_cache_hits_from_dc_misses,l2_cache_hits_from_ic_misses,l2_cache_misses_from_dc_misses,l2_cache_misses_from_ic_miss,l2_dtlb_misses,l2_itlb_misses,sse_avx_stalls,uops_dispatched,uops_retired,l3_accesses,l3_misses sleep 2

Performance counter stats for 'system wide':

433,439,949 all_dc_accesses (35.66%)
443 all_tlbs_flushed (35.66%)
2,985,885 l1_dtlb_misses (35.66%)
18,318,019 l2_cache_accesses_from_dc_misses (35.68%)
50,114,810 l2_cache_accesses_from_ic_misses (35.72%)
12,423,978 l2_cache_hits_from_dc_misses (35.74%)
40,703,103 l2_cache_hits_from_ic_misses (35.74%)
6,698,673 l2_cache_misses_from_dc_misses (35.74%)
12,090,892 l2_cache_misses_from_ic_miss (35.74%)
614,267 l2_dtlb_misses (35.74%)
216,036 l2_itlb_misses (35.74%)
11,977 sse_avx_stalls (35.74%)
999,276,223 uops_dispatched (35.73%)
1,075,311,620 uops_retired (35.69%)
1,420,763 l3_accesses
540,164 l3_misses

2.002344121 seconds time elapsed

# perf stat -a -e all_dc_accesses,all_tlbs_flushed,l1_dtlb_misses,l2_cache_accesses_from_dc_misses,l2_cache_accesses_from_ic_misses sleep 2

Performance counter stats for 'system wide':

175,943,104 all_dc_accesses
310 all_tlbs_flushed
2,280,359 l1_dtlb_misses
11,700,151 l2_cache_accesses_from_dc_misses
25,414,963 l2_cache_accesses_from_ic_misses

2.001957818 seconds time elapsed

#

Link: https://bugzilla.kernel.org/show_bug.cgi?id=206537
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Acked-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Jon Grimm <jon.grimm@amd.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin Jambor <mjambor@suse.cz>
Cc: Martin Liška <mliska@suse.cz>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vijay Thakkar <vijaythakkar@me.com>
Cc: William Cohen <wcohen@redhat.com>
Cc: Yunfeng Ye <yeyunfeng@huawei.com>
Link: http://lore.kernel.org/lkml/20200901220944.277505-3-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...


Revision tags: 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, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62
# 08ed77e4 01-Sep-2020 Kim Phillips <kim.phillips@amd.com>

perf vendor events amd: Add recommended events

Add support for events listed in Section 2.1.15.2 "Performance
Measurement" of "PPR for AMD Family 17h Model 31h B0 - 55803
Rev 0.54 -

perf vendor events amd: Add recommended events

Add support for events listed in Section 2.1.15.2 "Performance
Measurement" of "PPR for AMD Family 17h Model 31h B0 - 55803
Rev 0.54 - Sep 12, 2019".

perf now supports these new events (-e):

all_dc_accesses
all_tlbs_flushed
l1_dtlb_misses
l2_cache_accesses_from_dc_misses
l2_cache_accesses_from_ic_misses
l2_cache_hits_from_dc_misses
l2_cache_hits_from_ic_misses
l2_cache_misses_from_dc_misses
l2_cache_misses_from_ic_miss
l2_dtlb_misses
l2_itlb_misses
sse_avx_stalls
uops_dispatched
uops_retired
l3_accesses
l3_misses

and these metrics (-M):

branch_misprediction_ratio
all_l2_cache_accesses
all_l2_cache_hits
all_l2_cache_misses
ic_fetch_miss_ratio
l2_cache_accesses_from_l2_hwpf
l2_cache_hits_from_l2_hwpf
l2_cache_misses_from_l2_hwpf
l3_read_miss_latency
l1_itlb_misses
all_remote_links_outbound
nps1_die_to_dram

The nps1_die_to_dram event may need perf stat's --metric-no-group
switch if the number of available data fabric counters is less
than the number it uses (8).

Committer testing:

On a AMD Ryzen 3900x system:

Before:

# perf list all_dc_accesses all_tlbs_flushed l1_dtlb_misses l2_cache_accesses_from_dc_misses l2_cache_accesses_from_ic_misses l2_cache_hits_from_dc_misses l2_cache_hits_from_ic_misses l2_cache_misses_from_dc_misses l2_cache_misses_from_ic_miss l2_dtlb_misses l2_itlb_misses sse_avx_stalls uops_dispatched uops_retired l3_accesses l3_misses | grep -v "^Metric Groups:$" | grep -v "^$"
#

After:

# perf list all_dc_accesses all_tlbs_flushed l1_dtlb_misses l2_cache_accesses_from_dc_misses l2_cache_accesses_from_ic_misses l2_cache_hits_from_dc_misses l2_cache_hits_from_ic_misses l2_cache_misses_from_dc_misses l2_cache_misses_from_ic_miss l2_dtlb_misses l2_itlb_misses sse_avx_stalls uops_dispatched uops_retired l3_accesses l3_misses | grep -v "^Metric Groups:$" | grep -v "^$" | grep -v "^recommended:$"
all_dc_accesses
[All L1 Data Cache Accesses]
all_tlbs_flushed
[All TLBs Flushed]
l1_dtlb_misses
[L1 DTLB Misses]
l2_cache_accesses_from_dc_misses
[L2 Cache Accesses from L1 Data Cache Misses (including prefetch)]
l2_cache_accesses_from_ic_misses
[L2 Cache Accesses from L1 Instruction Cache Misses (including
prefetch)]
l2_cache_hits_from_dc_misses
[L2 Cache Hits from L1 Data Cache Misses]
l2_cache_hits_from_ic_misses
[L2 Cache Hits from L1 Instruction Cache Misses]
l2_cache_misses_from_dc_misses
[L2 Cache Misses from L1 Data Cache Misses]
l2_cache_misses_from_ic_miss
[L2 Cache Misses from L1 Instruction Cache Misses]
l2_dtlb_misses
[L2 DTLB Misses & Data page walks]
l2_itlb_misses
[L2 ITLB Misses & Instruction page walks]
sse_avx_stalls
[Mixed SSE/AVX Stalls]
uops_dispatched
[Micro-ops Dispatched]
uops_retired
[Micro-ops Retired]
l3_accesses
[L3 Accesses. Unit: amd_l3]
l3_misses
[L3 Misses (includes Chg2X). Unit: amd_l3]
#

# perf stat -a -e all_dc_accesses,all_tlbs_flushed,l1_dtlb_misses,l2_cache_accesses_from_dc_misses,l2_cache_accesses_from_ic_misses,l2_cache_hits_from_dc_misses,l2_cache_hits_from_ic_misses,l2_cache_misses_from_dc_misses,l2_cache_misses_from_ic_miss,l2_dtlb_misses,l2_itlb_misses,sse_avx_stalls,uops_dispatched,uops_retired,l3_accesses,l3_misses sleep 2

Performance counter stats for 'system wide':

433,439,949 all_dc_accesses (35.66%)
443 all_tlbs_flushed (35.66%)
2,985,885 l1_dtlb_misses (35.66%)
18,318,019 l2_cache_accesses_from_dc_misses (35.68%)
50,114,810 l2_cache_accesses_from_ic_misses (35.72%)
12,423,978 l2_cache_hits_from_dc_misses (35.74%)
40,703,103 l2_cache_hits_from_ic_misses (35.74%)
6,698,673 l2_cache_misses_from_dc_misses (35.74%)
12,090,892 l2_cache_misses_from_ic_miss (35.74%)
614,267 l2_dtlb_misses (35.74%)
216,036 l2_itlb_misses (35.74%)
11,977 sse_avx_stalls (35.74%)
999,276,223 uops_dispatched (35.73%)
1,075,311,620 uops_retired (35.69%)
1,420,763 l3_accesses
540,164 l3_misses

2.002344121 seconds time elapsed

# perf stat -a -e all_dc_accesses,all_tlbs_flushed,l1_dtlb_misses,l2_cache_accesses_from_dc_misses,l2_cache_accesses_from_ic_misses sleep 2

Performance counter stats for 'system wide':

175,943,104 all_dc_accesses
310 all_tlbs_flushed
2,280,359 l1_dtlb_misses
11,700,151 l2_cache_accesses_from_dc_misses
25,414,963 l2_cache_accesses_from_ic_misses

2.001957818 seconds time elapsed

#

Link: https://bugzilla.kernel.org/show_bug.cgi?id=206537
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Acked-by: Ian Rogers <irogers@google.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Jon Grimm <jon.grimm@amd.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Martin Jambor <mjambor@suse.cz>
Cc: Martin Liška <mliska@suse.cz>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vijay Thakkar <vijaythakkar@me.com>
Cc: William Cohen <wcohen@redhat.com>
Cc: Yunfeng Ye <yeyunfeng@huawei.com>
Link: http://lore.kernel.org/lkml/20200901220944.277505-3-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...