From aeafcb82d99c97ff5c6054a4091eeb12aefca9ab Mon Sep 17 00:00:00 2001 From: Daniel Bristot de Oliveira Date: Fri, 15 Oct 2021 17:07:51 +0200 Subject: [PATCH] trace/timerlat: Add migrate-disabled field to the timerlat header Since "54357f0c9149 tracing: Add migrate-disabled counter to tracing output," the migrate disabled field is also printed in the !PREEMPR_RT kernel config. While this information was added to the vast majority of tracers, osnoise and timerlat were not updated (because they are new tracers). Fix timerlat header by adding the information about migrate disabled. Link: https://lkml.kernel.org/r/bc0c234ab49946cdd63effa6584e1d5e8662cb44.1634308385.git.bristot@kernel.org Cc: Daniel Bristot de Oliveira Cc: Jonathan Corbet Cc: Thomas Gleixner Cc: Ingo Molnar Cc: Borislav Petkov Cc: "H. Peter Anvin" Cc: Sebastian Andrzej Siewior Cc: x86@kernel.org Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Fixes: 54357f0c9149 ("tracing: Add migrate-disabled counter to tracing output.") Signed-off-by: Daniel Bristot de Oliveira Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace_osnoise.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 34f26c6..d11b417 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -378,11 +378,12 @@ static void print_timerlat_headers(struct seq_file *s) seq_puts(s, "# / _----=> need-resched\n"); seq_puts(s, "# | / _---=> hardirq/softirq\n"); seq_puts(s, "# || / _--=> preempt-depth\n"); - seq_puts(s, "# || /\n"); - seq_puts(s, "# |||| ACTIVATION\n"); - seq_puts(s, "# TASK-PID CPU# |||| TIMESTAMP ID "); - seq_puts(s, " CONTEXT LATENCY\n"); - seq_puts(s, "# | | | |||| | | "); + seq_puts(s, "# ||| / _-=> migrate-disable\n"); + seq_puts(s, "# |||| / delay\n"); + seq_puts(s, "# ||||| ACTIVATION\n"); + seq_puts(s, "# TASK-PID CPU# ||||| TIMESTAMP ID "); + seq_puts(s, " CONTEXT LATENCY\n"); + seq_puts(s, "# | | | ||||| | | "); seq_puts(s, " | |\n"); } #endif /* CONFIG_PREEMPT_RT */ -- 2.7.4