tracing: add saved_cmdlines file to show cached task comms

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Export the cached task comms to userspace. This allows user apps to translate
the pids from a trace into their respective task command lines.

[ Impact: let userspace apps reading binary buffer know comm's of pids ]

Signed-off-by: Avadh Patel <avadh4all@gmail.com>
[ added error checking and use of buf pointer to index file_buf ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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Avadh Patel 2009-04-10 16:04:48 -04:00 • committed by Ingo Molnar

parent d1b182a8d4

commit 69abe6a5d1

1 changed files with 53 additions and 0 deletions

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kernel/trace/trace.c

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