When printing a map, print the number of samples recorded by each gmon.out file.
MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=157536
@ -135,6 +135,7 @@ struct pmcstat_gmonfile {
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int pgf_overflow; /* whether a count overflowed */
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pmc_id_t pgf_pmcid; /* id of the associated pmc */
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size_t pgf_nbuckets; /* #buckets in this gmon.out */
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unsigned int pgf_nsamples; /* #samples in this gmon.out */
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pmcstat_interned_string pgf_name; /* pathname of gmon.out file */
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size_t pgf_ndatabytes; /* number of bytes mapped */
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void *pgf_gmondata; /* pointer to mmap'ed data */
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@ -910,6 +911,7 @@ pmcstat_image_increment_bucket(struct pmcstat_pcmap *map, uintfptr_t pc,
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FUNCTION_ALIGNMENT; /* see <machine/profile.h> */
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pgf->pgf_ndatabytes = sizeof(struct gmonhdr) +
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pgf->pgf_nbuckets * sizeof(HISTCOUNTER);
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pgf->pgf_nsamples = 0;
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pmcstat_gmon_create_file(pgf, image);
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@ -941,6 +943,8 @@ pmcstat_image_increment_bucket(struct pmcstat_pcmap *map, uintfptr_t pc,
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hc[bucket]++;
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else /* mark that an overflow occurred */
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pgf->pgf_overflow = 1;
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pgf->pgf_nsamples++;
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}
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/*
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@ -1796,22 +1800,31 @@ pmcstat_shutdown_logging(struct pmcstat_args *a)
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for (i = 0; i < PMCSTAT_NHASH; i++) {
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LIST_FOREACH_SAFE(pi, &pmcstat_image_hash[i], pi_next, pitmp) {
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if (mf)
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(void) fprintf(mf, " \"%s\" => \"%s\"",
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pmcstat_string_unintern(pi->pi_execpath),
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pmcstat_string_unintern(pi->pi_samplename));
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/* flush gmon.out data to disk */
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LIST_FOREACH_SAFE(pgf, &pi->pi_gmlist, pgf_next,
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pgftmp) {
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pmcstat_gmon_unmap_file(pgf);
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LIST_REMOVE(pgf, pgf_next);
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if (mf)
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(void) fprintf(mf, " %s/%d",
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pmcstat_pmcid_to_name(pgf->pgf_pmcid),
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pgf->pgf_nsamples);
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if (pgf->pgf_overflow && a->pa_verbosity >= 1)
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warnx("WARNING: profile \"%s\" "
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"overflowed.",
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pmcstat_string_unintern(pgf->pgf_name));
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pmcstat_string_unintern(
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pgf->pgf_name));
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free(pgf);
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}
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if (mf)
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(void) fprintf(mf, " \"%s\" -> \"%s\"\n",
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pmcstat_string_unintern(pi->pi_execpath),
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pmcstat_string_unintern(pi->pi_samplename));
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(void) fprintf(mf, "\n");
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LIST_REMOVE(pi, pi_next);
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free(pi);
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