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Date: Tue, 6 Oct 2015 09:01:38 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>, David Ahern <dsahern@...il.com>, Ingo Molnar <mingo@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, "Liang, Kan" <kan.liang@...el.com>, Don Zickus <dzickus@...hat.com> Subject: Re: [PATCH 5/9] perf tools: Introduce 'P' modifier On Mon, Oct 05, 2015 at 04:20:40PM -0300, Arnaldo Carvalho de Melo wrote: > Em Mon, Oct 05, 2015 at 08:06:05PM +0200, Jiri Olsa escreveu: > > The 'P' will cause the event to get maximum possible > > detected precise level. > > > > Following record: > > $ perf record -e cycles:P ... > > > > will detect maximum precise level for 'cycles' event > > and use it. > > I had to do a 'make -C tools/perf clean' to get this to work, i.e. it is > not noticing that the parser files were changed and thus need to run > again, can you please take a look? can't see that: [jolsa@...va perf]$ make BUILD: Doing 'make -j4' parallel build CC util/parse-events.o LD util/libperf-in.o LD libperf-in.o AR libperf.a LINK perf LINK libperf-gtk.so [jolsa@...va perf]$ touch util/parse-events.l [jolsa@...va perf]$ make BUILD: Doing 'make -j4' parallel build FLEX util/parse-events-flex.c CC util/parse-events-flex.o CC util/parse-events.o LD util/libperf-in.o LD libperf-in.o AR libperf.a LINK perf LINK libperf-gtk.so [jolsa@...va perf]$ touch util/parse-events.y [jolsa@...va perf]$ make BUILD: Doing 'make -j4' parallel build BISON util/parse-events-bison.c FLEX util/parse-events-flex.c CC util/parse-events-bison.o CC util/parse-events.o CC util/parse-events-flex.o LD util/libperf-in.o LD libperf-in.o AR libperf.a LINK perf LINK libperf-gtk.so [jolsa@...va linux-perf]$ make -C tools/perf make: Entering directory '/home/jolsa/kernel/linux-perf/tools/perf' BUILD: Doing 'make -j4' parallel build CC util/parse-events.o LD util/libperf-in.o LD libperf-in.o AR libperf.a LINK perf LINK libperf-gtk.so make: Leaving directory '/home/jolsa/kernel/linux-perf/tools/perf' [jolsa@...va linux-perf]$ make -C tools/perf make: Entering directory '/home/jolsa/kernel/linux-perf/tools/perf' BUILD: Doing 'make -j4' parallel build BISON util/parse-events-bison.c FLEX util/parse-events-flex.c CC util/parse-events-bison.o CC util/parse-events.o CC util/parse-events-flex.o LD util/libperf-in.o LD libperf-in.o AR libperf.a LINK perf LINK libperf-gtk.so make: Leaving directory '/home/jolsa/kernel/linux-perf/tools/perf' [jolsa@...va linux-perf]$ make -C tools/perf make: Entering directory '/home/jolsa/kernel/linux-perf/tools/perf' BUILD: Doing 'make -j4' parallel build FLEX util/parse-events-flex.c CC util/parse-events-flex.o CC util/parse-events.o LD util/libperf-in.o LD libperf-in.o AR libperf.a LINK perf LINK libperf-gtk.so make: Leaving directory '/home/jolsa/kernel/linux-perf/tools/perf' 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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