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authorThomas Gleixner <tglx@linutronix.de>2009-03-18 08:58:44 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-18 10:10:17 +0100
commit50d88758a3f9787cbdbdbc030560b815721eab4b (patch)
tree02e5c47c5c5bd05e578d1883ccaa1e3bc13c703a /REPORTING-BUGS
parenttracing: replace the crude (unsigned) -1 hackery (diff)
downloadlinux-50d88758a3f9787cbdbdbc030560b815721eab4b.tar.xz
linux-50d88758a3f9787cbdbdbc030560b815721eab4b.zip
tracing: fix trace_find_cmdline()
Impact: prevent stale command line output In case there is no valid command line mapping for a pid trace_find_cmdline() returns without updating the comm buffer. The trace dump keeps the previous entry which results in confusing trace output: <idle>-0 [000] 280.702056 .... <idle>-23456 [000] 280.702080 .... Update the comm buffer with "<...>" when no mapping is found. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Steven Rostedt <srostedt@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'REPORTING-BUGS')
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