pmcstat: add option to not decode the leaf function in top mode
-I will allow the user to see the hot instruction in question as opposed getting the name of the function
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commit
821a352a77
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=334017
@ -106,6 +106,7 @@ struct pmcstat_args {
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#define FLAGS_HAS_CPUMASK 0x00040000 /* -c */
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#define FLAG_HAS_DURATION 0x00080000 /* -l secs */
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#define FLAG_DO_WIDE_GPROF_HC 0x00100000 /* -e */
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#define FLAG_SKIP_TOP_FN_RES 0x00200000 /* -I */
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int pa_required; /* required features */
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int pa_pplugin; /* pre-processing plugin */
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@ -473,7 +473,7 @@ pmcstat_callgraph_print(void)
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static void
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pmcstat_cgnode_topprint(struct pmcstat_cgnode *cg,
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int depth, uint32_t nsamples)
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int depth __unused, uint32_t nsamples)
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{
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int v_attrs, vs_len, ns_len, width, len, n, nchildren;
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float v;
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@ -481,14 +481,14 @@ pmcstat_cgnode_topprint(struct pmcstat_cgnode *cg,
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struct pmcstat_symbol *sym;
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struct pmcstat_cgnode **sortbuffer, **cgn, *pcg;
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(void) depth;
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/* Format value. */
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v = PMCPL_CG_COUNTP(cg);
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snprintf(vs, sizeof(vs), "%.1f", v);
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v_attrs = PMCSTAT_ATTRPERCENT(v);
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sym = NULL;
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/* Format name. */
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if (!(args.pa_flags & FLAG_SKIP_TOP_FN_RES))
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sym = pmcstat_symbol_search(cg->pcg_image, cg->pcg_func);
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if (sym != NULL) {
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snprintf(ns, sizeof(ns), "%s",
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@ -500,7 +500,7 @@ main(int argc, char **argv)
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CPU_COPY(&rootmask, &cpumask);
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while ((option = getopt(argc, argv,
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"CD:EF:G:M:NO:P:R:S:TWa:c:def:gk:l:m:n:o:p:qr:s:t:vw:z:")) != -1)
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"CD:EF:G:IM:NO:P:R:S:TWa:c:def:gk:l:m:n:o:p:qr:s:t:vw:z:")) != -1)
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switch (option) {
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case 'a': /* Annotate + callgraph */
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args.pa_flags |= FLAG_DO_ANNOTATE;
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@ -569,6 +569,9 @@ main(int argc, char **argv)
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args.pa_plugin = PMCSTAT_PL_GPROF;
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break;
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case 'I':
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args.pa_flags |= FLAG_SKIP_TOP_FN_RES;
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break;
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case 'k': /* pathname to the kernel */
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free(args.pa_kernel);
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args.pa_kernel = strdup(optarg);
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