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perf jevents: Handle header line in mapfile
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@linux.vnet.ibm.com> Acked-by: Ingo Molnar <mingo@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1473978296-20712-15-git-send-email-sukadev@linux.vnet.ibm.com Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -477,7 +477,12 @@ static int process_mapfile(FILE *outfp, char *fpath)
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print_mapping_table_prefix(outfp);
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line_num = 0;
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/* Skip first line (header) */
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p = fgets(line, n, mapfp);
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if (!p)
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goto out;
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line_num = 1;
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while (1) {
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char *cpuid, *version, *type, *fname;
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@ -521,8 +526,8 @@ static int process_mapfile(FILE *outfp, char *fpath)
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fprintf(outfp, "},\n");
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}
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out:
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print_mapping_table_suffix(outfp);
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return 0;
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}
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