Messages in this thread Patch in this message |  | | From | Jiri Olsa <> | Subject | [PATCH 2/3] perf tools: Add procfs support into fs object | Date | Tue, 5 Nov 2013 15:14:46 +0100 |
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Adding procfs support into fs object.
The interface function: const char *procfs_find_mountpoint(void);
provides valid mountpoint path for procfs.
Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/util/fs.c | 16 ++++++++++++++-- tools/perf/util/fs.h | 1 + tools/perf/util/include/linux/magic.h | 4 ++++ 3 files changed, 19 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/fs.c b/tools/perf/util/fs.c index ff7066c..604f64e 100644 --- a/tools/perf/util/fs.c +++ b/tools/perf/util/fs.c @@ -9,6 +9,11 @@ static const char * const sysfs_known_mountpoints[] = { 0, }; +static const char * const procfs_known_mountpoints[] = { + "/proc", + 0, +}; + struct fs { const char *name; const char * const *mounts; @@ -18,7 +23,8 @@ struct fs { }; enum { - FS__SYSFS = 0, + FS__SYSFS = 0, + FS__PROCFS = 1, }; static struct fs fs_entries[] = { @@ -27,6 +33,11 @@ static struct fs fs_entries[] = { .mounts = sysfs_known_mountpoints, .magic = SYSFS_MAGIC, }, + [FS__PROCFS] = { + .name = "proc", + .mounts = procfs_known_mountpoints, + .magic = PROC_SUPER_MAGIC, + }, }; static bool read_mounts(struct fs *fs) @@ -104,4 +115,5 @@ const char *name##_find_mountpoint(void) \ return find_mountpoint(idx); \ } -FIND_MOUNTPOINT(sysfs, FS__SYSFS); +FIND_MOUNTPOINT(sysfs, FS__SYSFS); +FIND_MOUNTPOINT(procfs, FS__PROCFS); diff --git a/tools/perf/util/fs.h b/tools/perf/util/fs.h index 082edbd..bc6556f 100644 --- a/tools/perf/util/fs.h +++ b/tools/perf/util/fs.h @@ -2,5 +2,6 @@ #define __PERF_FS const char *sysfs_find_mountpoint(void); +const char *procfs_find_mountpoint(void); #endif /* __PERF_FS */ diff --git a/tools/perf/util/include/linux/magic.h b/tools/perf/util/include/linux/magic.h index 58b64ed..07d63cf 100644 --- a/tools/perf/util/include/linux/magic.h +++ b/tools/perf/util/include/linux/magic.h @@ -9,4 +9,8 @@ #define SYSFS_MAGIC 0x62656572 #endif +#ifndef PROC_SUPER_MAGIC +#define PROC_SUPER_MAGIC 0x9fa0 +#endif + #endif -- 1.8.3.1
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