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| author | Leo Yan <leo.yan@linaro.org> | 2022-08-11 08:24:41 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-08-12 00:12:16 +0200 |
| commit | 3ef1fc17b31b7f701e8392efe8032333a2a5e6a5 (patch) | |
| tree | 53deab38571cce952c5ef2c751d19a95eb84cdd2 /tools/perf/builtin-c2c.c | |
| parent | perf mem: Add statistics for peer snooping (diff) | |
| download | linux-3ef1fc17b31b7f701e8392efe8032333a2a5e6a5.tar.xz linux-3ef1fc17b31b7f701e8392efe8032333a2a5e6a5.zip | |
perf c2c: Output statistics for peer snooping
This patch outputs statistics for peer snooping for whole trace events
and global shared cache line.
Reviewed-by: Ali Saidi <alisaidi@amazon.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Ali Saidi <alisaidi@amazon.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Like Xu <likexu@tencent.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Timothy Hayes <timothy.hayes@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20220811062451.435810-6-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-c2c.c')
| -rw-r--r-- | tools/perf/builtin-c2c.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 4898ee57d156..37bebeb6c11b 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -2202,6 +2202,8 @@ static void print_c2c__display_stats(FILE *out) fprintf(out, " Load LLC Misses : %10d\n", llc_misses); fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data); fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr); + fprintf(out, " Load HIT Local Peer : %10d\n", stats->lcl_peer); + fprintf(out, " Load HIT Remote Peer : %10d\n", stats->rmt_peer); fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.); fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.); fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.); @@ -2230,6 +2232,7 @@ static void print_shared_cacheline_info(FILE *out) fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit); fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit); fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm); + fprintf(out, " Load hits on peer cache or nodes : %10d\n", stats->lcl_peer + stats->rmt_peer); fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks); fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr); fprintf(out, " Store HITs on shared lines : %10d\n", stats->store); |