All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tom Zanussi <tom.zanussi@linux.intel.com>
To: rostedt@goodmis.org
Cc: tglx@linutronix.de, mhiramat@kernel.org, namhyung@kernel.org,
	vedang.patel@intel.com, bigeasy@linutronix.de,
	joel.opensrc@gmail.com, joelaf@google.com,
	mathieu.desnoyers@efficios.com, baohong.liu@intel.com,
	rajvi.jingar@intel.com, julia@ni.com, fengguang.wu@intel.com,
	linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org,
	Tom Zanussi <tom.zanussi@linux.intel.com>
Subject: [PATCH 2/4] tracing: Don't add flag strings when displaying variable references
Date: Wed, 28 Mar 2018 15:10:54 -0500	[thread overview]
Message-ID: <913318a5610ef6b24af2522575f671fa6ee19b6b.1522256721.git.tom.zanussi@linux.intel.com> (raw)
In-Reply-To: <cover.1522256721.git.tom.zanussi@linux.intel.com>
In-Reply-To: <cover.1522256721.git.tom.zanussi@linux.intel.com>

Variable references should never have flags appended when displayed -
prevent that from happening.

Before:

  # cat /sys/kernel/debug/tracing/events/sched/sched_switch/trigger
  hist:keys=next_pid:vals=hitcount:wakeup_lat=common_timestamp.usecs-$ts0.usecs:...

After:

  hist:keys=next_pid:vals=hitcount:wakeup_lat=common_timestamp.usecs-$ts0:...

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
---
 kernel/trace/trace_events_hist.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index fb81447..468e43f 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -2052,7 +2052,7 @@ static void expr_field_str(struct hist_field *field, char *expr)
 
 	strcat(expr, hist_field_name(field, 0));
 
-	if (field->flags) {
+	if (field->flags && !(field->flags & HIST_FIELD_FL_VAR_REF)) {
 		const char *flags_str = get_hist_field_flags(field);
 
 		if (flags_str) {
-- 
1.9.3

  parent reply	other threads:[~2018-03-28 20:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-28 20:10 [PATCH 0/4] tracing: A few inter-event bugfixes Tom Zanussi
2018-03-28 20:10 ` [PATCH 1/4] tracing: Fix display of hist trigger expressions containing timestamps Tom Zanussi
2018-03-28 20:10 ` Tom Zanussi [this message]
2018-03-28 20:10 ` [PATCH 3/4] tracing: Add action comparisons when testing matching hist triggers Tom Zanussi
2018-04-02 15:10   ` Masami Hiramatsu
2018-04-02 17:09     ` Tom Zanussi
2018-04-04 12:33       ` Masami Hiramatsu
2018-04-04 13:01         ` Steven Rostedt
2018-04-04 15:17         ` Tom Zanussi
2018-04-05  3:50           ` Masami Hiramatsu
2018-04-05 23:34             ` Tom Zanussi
2018-04-06  1:53               ` Masami Hiramatsu
2018-04-06 16:47                 ` Tom Zanussi
2018-04-07 12:16                   ` Masami Hiramatsu
2018-04-12 15:22                     ` Tom Zanussi
2018-03-28 20:10 ` [PATCH 4/4] tracing: Make sure variable string fields are NULL-terminated Tom Zanussi
2018-04-02 15:26 ` [PATCH 0/4] tracing: A few inter-event bugfixes Steven Rostedt

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=913318a5610ef6b24af2522575f671fa6ee19b6b.1522256721.git.tom.zanussi@linux.intel.com \
    --to=tom.zanussi@linux.intel.com \
    --cc=baohong.liu@intel.com \
    --cc=bigeasy@linutronix.de \
    --cc=fengguang.wu@intel.com \
    --cc=joel.opensrc@gmail.com \
    --cc=joelaf@google.com \
    --cc=julia@ni.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-rt-users@vger.kernel.org \
    --cc=mathieu.desnoyers@efficios.com \
    --cc=mhiramat@kernel.org \
    --cc=namhyung@kernel.org \
    --cc=rajvi.jingar@intel.com \
    --cc=rostedt@goodmis.org \
    --cc=tglx@linutronix.de \
    --cc=vedang.patel@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.