From 3a2684ca58e06941ff00e3f096ca44f898a6d13e Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Mon, 31 Aug 2009 06:45:19 +0200 Subject: [PATCH] perf tools: Resolve idle thread cmdline for perf trace The cmd-trace tool used the cmdline file and resolved the idle thread using a hardcoded check for the 0 task pid. Now we have a centralized way to do that from perf using register_idle_thread() API. Before: :0-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name :0-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name After: [idle]-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name [idle]-0 [000] 0.000000: irq_handler_entry: irq=0 handler=name Signed-off-by: Frederic Weisbecker Cc: Peter Zijlstra Cc: Arnaldo Carvalho de Melo LKML-Reference: <1251693921-6579-2-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar --- tools/perf/builtin-trace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index dd3c2e7..8247fd0 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -164,6 +164,7 @@ static int __cmd_trace(void) char *buf; trace_report(); + register_idle_thread(&threads, &last_match); input = open(input_name, O_RDONLY); if (input < 0) { -- 1.8.2.3