diff mbox series

[v6,05/15] perf c2c: Output statistics for peer snooping

Message ID 20220811062451.435810-6-leo.yan@linaro.org (mailing list archive)
State New, archived
Headers show
Series perf c2c: Support data source and display for Arm64 | expand

Commit Message

Leo Yan Aug. 11, 2022, 6:24 a.m. UTC 
This patch outputs statistics for peer snooping for whole trace events
and global shared cache line.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Acked-by: Ian Rogers <irogers@google.com>
Tested-by: Ali Saidi <alisaidi@amazon.com>
Reviewed-by: Ali Saidi <alisaidi@amazon.com>
---
 tools/perf/builtin-c2c.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

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);