* [GIT PULL] tracing latency: Updates for 7.2
@ 2026-06-16 6:24 Steven Rostedt
2026-06-16 12:36 ` pr-tracker-bot
0 siblings, 1 reply; 2+ messages in thread
From: Steven Rostedt @ 2026-06-16 6:24 UTC (permalink / raw)
To: Linus Torvalds; +Cc: LKML, Crystal Wood, Tomas Glozar, John Kacur
Linus,
tracing latency updates for 7.2:
- Dump the stack to the buffer on timerlat uret threashold event
Record the stack trace in the buffer for THREAD_URET as well as
THREAD_CONTEXT when the threshold is hit. Otherwise, if the threshold was
not hit at task wakeup, but was at task return, it will not produce a
stack trace making it harder to debug.
- Have osnoise trace prints print to all buffers
The osnoise tracer is allowed to print to the main buffer. Add a
osnoise_print() helper function and use trace_array_vprintk() to print
osnoise output.
Please pull the latest trace-latency-v7.2 tree, which can be found at:
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
trace-latency-v7.2
Tag SHA1: c26d17d6a9044bac1a36f496013af9816aed3ae2
Head SHA1: 9cb99c598643ba78638dfd668cf020544159cf70
Crystal Wood (2):
tracing/osnoise: Dump stack on timerlat uret threshold event
tracing/osnoise: Array printk init and cleanup
----
kernel/trace/trace_osnoise.c | 46 ++++++++++++++++++++++++++++----------------
1 file changed, 29 insertions(+), 17 deletions(-)
---------------------------
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2026-06-16 12:36 ` pr-tracker-bot
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