Em Tue, Aug 04, 2015 at 07:14:22PM +0200, Milian Wolff escreveu: > On Tuesday 04 August 2015 13:50:14 Arnaldo Carvalho de Melo wrote: > > Le 4 août 2015 1:46 PM, "Milian Wolff" <[email protected]> a écrit : > > > See attached trivial patch which brings trace a bit closer to strace. > > > > > > I've never published a patch to the Kernel yet, I hope it's OK as-is. I > > > > can > > > > > amend it at will if you have any requests to the style > > > > Start by not using attachments :-) > > :)
Second step, read Documentation/email-clients.txt, you are using Kmail and it is mangling the patches, I'll apply the patch by hand this time. - Arnaldo > >From 188476d65bab17ad99f5bdf65294160ef2d5f49b Mon Sep 17 00:00:00 2001 > From: Milian Wolff <[email protected]> > Date: Tue, 4 Aug 2015 18:30:52 +0200 > Subject: [PATCH] perf: let trace write to stderr by default > > Without this patch, it is cumbersome to read the trace output > but ignoring the normal, potentially verbose, output of the debuggee. > One common example is doing something like the following: > > perf trace -s find /tmp > /dev/null > > Without this patch, the trace summary will be lost. Now, it will > still be printed at the end. This behavior is also applied by strace. > --- > tools/perf/builtin-trace.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c > index 39ad4d0..d183d88 100644 > --- a/tools/perf/builtin-trace.c > +++ b/tools/perf/builtin-trace.c > @@ -2778,7 +2778,7 @@ int cmd_trace(int argc, const char **argv, const char > *prefix __maybe_unused) > .mmap_pages = UINT_MAX, > .proc_map_timeout = 500, > }, > - .output = stdout, > + .output = stderr, > .show_comm = true, > .trace_syscalls = true, > }; > -- > 2.5.0 > > -- > Milian Wolff > [email protected] > http://milianw.de -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
