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Date: Mon, 4 Dec 2017 15:41:40 +0100 From: Peter Zijlstra <peterz@...radead.org> To: Song Liu <songliubraving@...com> Cc: rostedt@...dmis.org, mingo@...hat.com, davem@...emloft.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, daniel@...earbox.net, kernel-team@...com Subject: Re: [PATCH v3 3/6] perf: implement pmu perf_kprobe On Thu, Nov 30, 2017 at 03:50:20PM -0800, Song Liu wrote: > +static struct pmu perf_kprobe = { > +}; > +static inline bool perf_event_is_tracing(struct perf_event *event) > +{ > + return event->attr.type == PERF_TYPE_TRACEPOINT || > + strncmp(event->pmu->name, "kprobe", 6) == 0; Why a strcmp here? Wouldn't something like: event->pmu == &perf_kprobe work much simpler? > +}
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