linux/tools/perf/util/debugfs.h, branch v3.4.33

perf tools: Remove unused functions from debugfs object

2012-02-14T01:25:38Z

Following debugfs object functions are not referenced within the code: int debugfs_valid_entry(const char *path); int debugfs_umount(void); int debugfs_write(const char *entry, const char *value); int debugfs_read(const char *entry, char *buffer, size_t size); void debugfs_force_cleanup(void); int debugfs_make_path(const char *element, char *buffer, int size); Removing them. Cc: Corey Ashford Cc: Ingo Molnar Cc: Paul Mackerras Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1327674868-10486-3-git-send-email-jolsa@redhat.com Signed-off-by: Jiri Olsa Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Simplify debugfs mountpoint handling code

2011-11-28T12:11:28Z

We don't need to have two PATH_MAX char sized arrays holding it, just one in util/debugfs.c will do. Also rename debugfs_path to tracing_events_path, as it is not the path to debugfs, that is debugfs_mountpoint. Both are now accessible. This will allow accessing this code in the perf python binding without having to drag in perf.c and util/parse-events.c. The defaults for these variables are the canonical "/sys/kernel/debug" and "/sys/kernel/debug/tracing/events/", removing the need for simple tools to call debugfs_mount(NULL). Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-ug9jvtjrsqbluuhqqxpvg30f@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Eliminate duplicate code and use PATH_MAX consistently

2011-11-28T12:11:04Z

No need for multiple definitions for STR() and die(), also use SuSv2's PATH_MAX instead of adding MAX_PATH. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-qpujjkw7u0bf0tr4wt55cr9y@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo

perf tools: Mount debugfs automatically

2009-12-28T09:36:36Z

Mount debugfs filesystem under '/sys/kernel/debug', if it's not mounted. Signed-off-by: Xiao Guangrong Cc: Peter Zijlstra Cc: Paul Mackerras Cc: Frederic Weisbecker Cc: Clark Williams Cc: John Kacur LKML-Reference: <4B387090.7080407@cn.fujitsu.com> Signed-off-by: Ingo Molnar

perf tools: Add debugfs utility routines for perf

2009-11-08T17:01:34Z

Add routines to locate the debugfs mount point and to manage the mounting and unmounting of the debugfs. Signed-off-by: Clark Williams Cc: Arnaldo Carvalho de Melo Cc: Peter Zijlstra LKML-Reference: <20091101155621.2b3503ee@torg> Signed-off-by: Ingo Molnar