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Date: Mon, 10 Feb 2014 12:29:09 -0500
From: Don Zickus <dzickus@...hat.com>
To: acme@...stprotocols.net
Cc: LKML <linux-kernel@...r.kernel.org>, jolsa@...hat.com,
jmario@...hat.com, fowles@...each.com, eranian@...gle.com,
Don Zickus <dzickus@...hat.com>
Subject: [PATCH 14/21] perf, c2c: Output summary stats
Output some summary stats based on the processed records.
Mainly diagnostic uses.
Stats done by Dick Fowles, backported by me.
Original-by: Dick Fowles <rfowles@...hat.com>
Signed-off-by: Don Zickus <dzickus@...hat.com>
---
tools/perf/builtin-c2c.c | 44 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 43 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 047fe26..c8e76dc 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1247,7 +1247,6 @@ static void print_hitm_cacheline_offset(struct c2c_hit *clo,
23, stdout);
}
}
-
static void print_c2c_hitm_report(struct rb_root *hitm_tree,
struct c2c_stats *hitm_stats __maybe_unused,
struct c2c_stats *c2c_stats)
@@ -1442,6 +1441,48 @@ cleanup:
return;
}
+static void print_c2c_trace_report(struct perf_c2c *c2c)
+{
+ int llc_misses;
+ struct c2c_stats *stats = &c2c->stats;
+
+ llc_misses = stats->t.lcl_dram +
+ stats->t.rmt_dram +
+ stats->t.rmt_hit +
+ stats->t.rmt_hitm;
+
+ printf("=================================================\n");
+ printf(" Trace Event Information \n");
+ printf("=================================================\n");
+ printf(" Total records : %10d\n", c2c->stats.nr_entries);
+ printf(" Locked Load/Store Operations : %10d\n", stats->t.locks);
+ printf(" Load Operations : %10d\n", stats->t.load);
+ printf(" Loads - uncacheable : %10d\n", stats->t.ld_uncache);
+ printf(" Loads - no mapping : %10d\n", stats->t.ld_noadrs);
+ printf(" Load Fill Buffer Hit : %10d\n", stats->t.ld_fbhit);
+ printf(" Load L1D hit : %10d\n", stats->t.ld_l1hit);
+ printf(" Load L2D hit : %10d\n", stats->t.ld_l2hit);
+ printf(" Load LLC hit : %10d\n", stats->t.ld_llchit + stats->t.lcl_hitm);
+ printf(" Load Local HITM : %10d\n", stats->t.lcl_hitm);
+ printf(" Load Remote HITM : %10d\n", stats->t.rmt_hitm);
+ printf(" Load Remote HIT : %10d\n", stats->t.rmt_hit);
+ printf(" Load Local DRAM : %10d\n", stats->t.lcl_dram);
+ printf(" Load Remote DRAM : %10d\n", stats->t.rmt_dram);
+ printf(" Load MESI State Exclusive : %10d\n", stats->t.ld_excl);
+ printf(" Load MESI State Shared : %10d\n", stats->t.ld_shared);
+ printf(" Load LLC Misses : %10d\n", llc_misses);
+ printf(" LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->t.lcl_dram/(double)llc_misses) * 100.);
+ printf(" LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->t.rmt_dram/(double)llc_misses) * 100.);
+ printf(" LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->t.rmt_hit /(double)llc_misses) * 100.);
+ printf(" LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->t.rmt_hitm/(double)llc_misses) * 100.);
+ printf(" Store Operations : %10d\n", stats->t.store);
+ printf(" Store - uncacheable : %10d\n", stats->t.st_uncache);
+ printf(" Store - no mapping : %10d\n", stats->t.st_noadrs);
+ printf(" Store L1D Hit : %10d\n", stats->t.st_l1hit);
+ printf(" Virt -> Phys Remap Rejects : %10d\n", stats->t.remap);
+ printf(" No Page Map Rejects : %10d\n", stats->t.nomap);
+}
+
static int perf_c2c__process_events(struct perf_session *session,
struct perf_c2c *c2c)
{
@@ -1453,6 +1494,7 @@ static int perf_c2c__process_events(struct perf_session *session,
goto err;
}
+ print_c2c_trace_report(c2c);
c2c_analyze_hitms(c2c);
err:
--
1.7.11.7
--
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