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Groups > linux.kernel > #1186043
| From | Steven Rostedt <rostedt@goodmis.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC 2/3] arm64: refactor save_stack_trace() |
| Date | 2015-07-16 18:20 +0200 |
| Message-ID | <pMU38-3pg-1@gated-at.bofh.it> (permalink) |
| References | (10 earlier) <pMFQu-86K-9@gated-at.bofh.it> <pMRoD-7Yz-33@gated-at.bofh.it> <pMSkG-Sa-33@gated-at.bofh.it> <pMSXn-1Ro-9@gated-at.bofh.it> <pMTqs-2pX-45@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 16 Jul 2015 11:31:15 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:
> >
> > In case of the number of entries, the following diff might be needed
> > as I suggested in the previous reply. ;)
> >
> > ----8<----
> >
> > @@ -330,7 +333,7 @@ static int t_show(struct seq_file *m, void *v)
> > seq_printf(m, " Depth Size Location"
> > " (%d entries)\n"
> > " ----- ---- --------\n",
> > - max_stack_trace.nr_entries - 1);
> > + max_stack_trace.nr_entries);
>
> This would break x86.
Nope, you were correct. But it was also missing another change:
-- Steve
Index: linux-trace.git/kernel/trace/trace_stack.c
===================================================================
--- linux-trace.git.orig/kernel/trace/trace_stack.c 2015-07-16 11:45:17.816249113 -0400
+++ linux-trace.git/kernel/trace/trace_stack.c 2015-07-16 12:01:51.051403333 -0400
@@ -284,7 +260,7 @@ __next(struct seq_file *m, loff_t *pos)
{
long n = *pos - 1;
- if (n >= max_stack_trace.nr_entries || stack_dump_trace[n] == ULONG_MAX)
+ if (n > max_stack_trace.nr_entries || stack_dump_trace[n] == ULONG_MAX)
return NULL;
m->private = (void *)n;
@@ -354,7 +330,7 @@ static int t_show(struct seq_file *m, vo
seq_printf(m, " Depth Size Location"
" (%d entries)\n"
" ----- ---- --------\n",
- max_stack_trace.nr_entries - 1);
+ max_stack_trace.nr_entries);
if (!stack_tracer_enabled && !max_stack_size)
print_disabled(m);
--
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[RFC 2/3] arm64: refactor save_stack_trace() AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-07-13 07:40 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-07-15 02:30 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-15 05:00 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-07-15 13:50 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-15 17:00 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-07-16 02:30 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() AKASHI Takahiro <takahiro.akashi@linaro.org> - 2015-07-16 03:10 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-16 03:40 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Will Deacon <will.deacon@arm.com> - 2015-07-17 12:50 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-16 16:30 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Jungseok Lee <jungseoklee85@gmail.com> - 2015-07-16 17:10 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-16 17:40 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Jungseok Lee <jungseoklee85@gmail.com> - 2015-07-16 18:00 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-16 22:30 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-16 18:20 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Mark Rutland <mark.rutland@arm.com> - 2015-07-17 14:50 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-17 15:00 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-17 15:10 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Jungseok Lee <jungseoklee85@gmail.com> - 2015-07-17 16:30 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-17 16:50 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Jungseok Lee <jungseoklee85@gmail.com> - 2015-07-17 17:00 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Mark Rutland <mark.rutland@arm.com> - 2015-07-16 16:30 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Steven Rostedt <rostedt@goodmis.org> - 2015-07-16 16:40 +0200
Re: [RFC 2/3] arm64: refactor save_stack_trace() Jungseok Lee <jungseoklee85@gmail.com> - 2015-07-17 16:40 +0200
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