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| author | Jiri Olsa <jolsa@kernel.org> | 2016-05-02 20:01:59 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-10-21 10:31:55 -0300 |
| commit | 74c63a25f28350d298f2e529012a49bf6b5fdb46 (patch) | |
| tree | f28e8906f697ddf76dbaa115d88befc3d204d018 /tools/perf/builtin-c2c.c | |
| parent | f1c5fd4d0bb944da2138338dd361e06ce6c8385e (diff) | |
| download | lwn-74c63a25f28350d298f2e529012a49bf6b5fdb46.tar.gz lwn-74c63a25f28350d298f2e529012a49bf6b5fdb46.zip | |
perf c2c report: Add global stats stdio output
Display global stats table as part of the stdio output
or when --stats option is speicified:
$ perf c2c report --stats
=================================================
Trace Event Information
=================================================
Total records : 41237
Locked Load/Store Operations : 4075
Load Operations : 20526
Loads - uncacheable : 0
Loads - IO : 0
Loads - Miss : 552
Loads - no mapping : 31
Load Fill Buffer Hit : 7333
Load L1D hit : 6398
Load L2D hit : 144
Load LLC hit : 4889
Load Local HITM : 1185
Load Remote HITM : 838
Load Remote HIT : 52
Load Local DRAM : 183
Load Remote DRAM : 106
Load MESI State Exclusive : 289
Load MESI State Shared : 0
Load LLC Misses : 1179
LLC Misses to Local DRAM : 15.5%
LLC Misses to Remote DRAM : 9.0%
LLC Misses to Remote cache (HIT) : 4.4%
LLC Misses to Remote cache (HITM) : 71.1%
Store Operations : 20711
Store - uncacheable : 0
Store - no mapping : 1
Store L1D Hit : 20158
Store L1D Miss : 552
No Page Map Rejects : 7
Unable to parse data source : 0
Original-patch-by: Dick Fowles <rfowles@redhat.com>
Original-patch-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-qkyvao3qsrnwazf0w1jvsh7z@git.kernel.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 | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c index 1415640c4aca..232d5f5ac7a2 100644 --- a/tools/perf/builtin-c2c.c +++ b/tools/perf/builtin-c2c.c @@ -55,6 +55,7 @@ struct perf_c2c { bool show_src; bool use_stdio; + bool stats_only; }; static struct perf_c2c c2c; @@ -1731,6 +1732,51 @@ static int setup_nodes(struct perf_session *session) return 0; } +static void print_c2c__display_stats(FILE *out) +{ + int llc_misses; + struct c2c_stats *stats = &c2c.hists.stats; + + llc_misses = stats->lcl_dram + + stats->rmt_dram + + stats->rmt_hit + + stats->rmt_hitm; + + fprintf(out, "=================================================\n"); + fprintf(out, " Trace Event Information \n"); + fprintf(out, "=================================================\n"); + fprintf(out, " Total records : %10d\n", stats->nr_entries); + fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks); + fprintf(out, " Load Operations : %10d\n", stats->load); + fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache); + fprintf(out, " Loads - IO : %10d\n", stats->ld_io); + fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss); + fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs); + fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit); + fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit); + fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit); + fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm); + fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm); + fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm); + fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit); + fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram); + fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram); + fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl); + fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared); + fprintf(out, " Load LLC Misses : %10d\n", llc_misses); + 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.); + fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.); + fprintf(out, " Store Operations : %10d\n", stats->store); + fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache); + fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs); + fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit); + fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss); + fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap); + fprintf(out, " Unable to parse data source : %10d\n", stats->noparse); +} + static void print_cacheline(struct c2c_hists *c2c_hists, struct hist_entry *he_cl, struct perf_hpp_list *hpp_list, @@ -1794,6 +1840,11 @@ static void perf_c2c__hists_fprintf(FILE *out) { setup_pager(); + print_c2c__display_stats(out); + + if (c2c.stats_only) + return; + fprintf(out, "\n"); fprintf(out, "=================================================\n"); fprintf(out, " Shared Data Cache Line Table \n"); @@ -2005,6 +2056,8 @@ static int perf_c2c__report(int argc, const char **argv) #ifdef HAVE_SLANG_SUPPORT OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"), #endif + OPT_BOOLEAN(0, "stats", &c2c.stats_only, + "Use the stdio interface"), OPT_END() }; int err = 0; @@ -2014,6 +2067,9 @@ static int perf_c2c__report(int argc, const char **argv) if (argc) usage_with_options(report_c2c_usage, c2c_options); + if (c2c.stats_only) + c2c.use_stdio = true; + if (c2c.use_stdio) use_browser = 0; else |