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Message-ID: <20140722190901.GC29750@krava.redhat.com> Date: Tue, 22 Jul 2014 21:09:01 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Adrian Hunter <adrian.hunter@...el.com> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>, Peter Zijlstra <peterz@...radead.org>, linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, Namhyung Kim <namhyung@...il.com>, Paul Mackerras <paulus@...ba.org>, Stephane Eranian <eranian@...gle.com> Subject: Re: [PATCH 13/52] perf tools: Add perf_pmu__scan_file() On Tue, Jul 22, 2014 at 04:17:22PM +0300, Adrian Hunter wrote: SNIP > + > +static FILE *perf_pmu__open_file(struct perf_pmu *pmu, const char *name) > +{ > + struct stat st; > + char path[PATH_MAX]; > + const char *sysfs; > + > + sysfs = sysfs__mountpoint(); > + if (!sysfs) > + return NULL; > + > + snprintf(path, PATH_MAX, > + "%s" EVENT_SOURCE_DEVICE_PATH "%s/%s", sysfs, pmu->name, name); > + > + if (stat(path, &st) < 0) > + return NULL; > + > + return fopen(path, "r"); > +} looks like this function could be used in pmu_cpumask and pmu_type and maybe others jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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