Messages in this thread | | | Date | Tue, 23 Oct 2018 23:37:22 +0900 | From | Masami Hiramatsu <> | Subject | Re: [PATCH v6 07/15] tracing: Move hist trigger key printing into a separate function |
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Hi Tom,
On Thu, 11 Oct 2018 16:02:04 -0500 Tom Zanussi <zanussi@kernel.org> wrote:
> From: Tom Zanussi <tom.zanussi@linux.intel.com> > > Future patches will want to print a histogram key outside a histogram > - add and use hist_trigger_print_key() for that purpose.
Hmm, I think this change should be done with such user code, because without the user code I can not decide it is good or not.
Thank you,
> > Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> > --- > kernel/trace/trace_events_hist.c | 19 +++++++++++++++---- > 1 file changed, 15 insertions(+), 4 deletions(-) > > diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c > index 3712200dc670..5ec462cb7672 100644 > --- a/kernel/trace/trace_events_hist.c > +++ b/kernel/trace/trace_events_hist.c > @@ -4849,10 +4849,10 @@ static void hist_trigger_stacktrace_print(struct seq_file *m, > } > } > > -static void > -hist_trigger_entry_print(struct seq_file *m, > - struct hist_trigger_data *hist_data, void *key, > - struct tracing_map_elt *elt) > +static void hist_trigger_print_key(struct seq_file *m, > + struct hist_trigger_data *hist_data, > + void *key, > + struct tracing_map_elt *elt) > { > struct hist_field *key_field; > char str[KSYM_SYMBOL_LEN]; > @@ -4928,6 +4928,17 @@ hist_trigger_entry_print(struct seq_file *m, > seq_puts(m, " "); > > seq_puts(m, "}"); > +} > + > +static void hist_trigger_entry_print(struct seq_file *m, > + struct hist_trigger_data *hist_data, > + void *key, > + struct tracing_map_elt *elt) > +{ > + const char *field_name; > + unsigned int i; > + > + hist_trigger_print_key(m, hist_data, key, elt); > > seq_printf(m, " hitcount: %10llu", > tracing_map_read_sum(elt, HITCOUNT_IDX)); > -- > 2.14.1 >
-- Masami Hiramatsu <mhiramat@kernel.org>
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