linux-kernel - [tip:perf/core] perf mem: Fix display of data source snoop indication

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Message-ID: <tip-166ebdd2442660e7f942d657fc5e629000e58ec3@git.kernel.org>
Date:   Mon, 24 Apr 2017 14:10:02 -0700
From:   tip-bot for Andi Kleen <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, hpa@...or.com, ak@...ux.intel.com,
        tglx@...utronix.de, mingo@...nel.org, acme@...hat.com,
        eranian@...gle.com, jolsa@...nel.org
Subject: [tip:perf/core] perf mem: Fix display of data source snoop
 indication

Commit-ID:  166ebdd2442660e7f942d657fc5e629000e58ec3
Gitweb:     http://git.kernel.org/tip/166ebdd2442660e7f942d657fc5e629000e58ec3
Author:     Andi Kleen <ak@...ux.intel.com>
AuthorDate: Wed, 19 Apr 2017 10:49:40 -0700
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 24 Apr 2017 12:33:32 -0300

perf mem: Fix display of data source snoop indication

'perf mem report' doesn't display the data source snoop indication correctly.

In the kernel API the definition is:

  #define PERF_MEM_SNOOP_NONE     0x02 /* no snoop */
  #define PERF_MEM_SNOOP_HIT      0x04 /* snoop hit */
  #define PERF_MEM_SNOOP_MISS     0x08 /* snoop miss */

but the table used by the perf tools exchanged "Hit" and "Miss":

        "None",
        "Miss",
        "Hit",

Fix the table in perf.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/20170419174940.13641-1-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/mem-events.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c
index c56d52f..06f5a3a 100644
--- a/tools/perf/util/mem-events.c
+++ b/tools/perf/util/mem-events.c
@@ -206,8 +206,8 @@ int perf_mem__lvl_scnprintf(char *out, size_t sz, struct mem_info *mem_info)
 static const char * const snoop_access[] = {
 	"N/A",
 	"None",
-	"Miss",
 	"Hit",
+	"Miss",
 	"HitM",
 };