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Message-Id: <1475548641-12182-11-git-send-email-acme@kernel.org>
Date: Mon, 3 Oct 2016 23:37:09 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org, Linux Weekly News <lwn@....net>,
Andi Kleen <ak@...ux.intel.com>,
Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>,
Peter Zijlstra <peterz@...radead.org>,
linuxppc-dev@...ts.ozlabs.org,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 10/22] perf jevents: Handle header line in mapfile
From: Andi Kleen <ak@...ux.intel.com>
To work with existing mapfiles, assume that the first line in
'mapfile.csv' is a header line and skip over it.
Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Acked-by: Ingo Molnar <mingo@...nel.org>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Cc: Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/1473978296-20712-15-git-send-email-sukadev@linux.vnet.ibm.com
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/pmu-events/jevents.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index c4c074a49b6e..c9bf9a7dc7b2 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -477,7 +477,12 @@ static int process_mapfile(FILE *outfp, char *fpath)
print_mapping_table_prefix(outfp);
- line_num = 0;
+ /* Skip first line (header) */
+ p = fgets(line, n, mapfp);
+ if (!p)
+ goto out;
+
+ line_num = 1;
while (1) {
char *cpuid, *version, *type, *fname;
@@ -521,8 +526,8 @@ static int process_mapfile(FILE *outfp, char *fpath)
fprintf(outfp, "},\n");
}
+out:
print_mapping_table_suffix(outfp);
-
return 0;
}
--
2.7.4
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