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Message-ID: <20151015222545.45a22b7e@grimm.local.home> Date: Thu, 15 Oct 2015 22:25:45 -0400 From: Steven Rostedt <rostedt@...dmis.org> To: Minfei Huang <mnfhuang@...il.com> Cc: mingo@...hat.com, tglx@...utronix.de, hpa@...or.com, x86@...nel.org, linux-kernel@...r.kernel.org, mhuang@...hat.com, rostedt@...dmis.org Subject: Re: [REPOST PATCH] ftrace: Calculate the correct dyn_ftrace number to report to the userspace On Thu, 17 Sep 2015 00:19:42 +0800 Minfei Huang <mnfhuang@...il.com> wrote: > Now, ftrace only calculate the dyn_ftrace number in the adding > breakpoint loop, not in adding update and finish update loop. > > Calculate the correct dyn_ftrace, once ftrace reports the failure message > to the userspace. > Bah, your emails got lost in my Inbox. Sorry about that. I'll make an effort to look at this first thing tomorrow. [ Cc'ing myself to remind me ] -- Steve > Signed-off-by: Minfei Huang <mnfhuang@...il.com> > --- > arch/x86/kernel/ftrace.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c > index 8b7b0a5..311bcf3 100644 > --- a/arch/x86/kernel/ftrace.c > +++ b/arch/x86/kernel/ftrace.c > @@ -556,6 +556,7 @@ void ftrace_replace_code(int enable) > run_sync(); > > report = "updating code"; > + count = 0; > > for_ftrace_rec_iter(iter) { > rec = ftrace_rec_iter_record(iter); > @@ -563,11 +564,13 @@ void ftrace_replace_code(int enable) > ret = add_update(rec, enable); > if (ret) > goto remove_breakpoints; > + count++; > } > > run_sync(); > > report = "removing breakpoints"; > + count = 0; > > for_ftrace_rec_iter(iter) { > rec = ftrace_rec_iter_record(iter); > @@ -575,6 +578,7 @@ void ftrace_replace_code(int enable) > ret = finish_update(rec, enable); > if (ret) > goto remove_breakpoints; > + count++; > } > > run_sync(); -- 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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