diff options
Diffstat (limited to 'tools/perf/util/probe-file.c')
-rw-r--r-- | tools/perf/util/probe-file.c | 62 |
1 files changed, 44 insertions, 18 deletions
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c index bbb243717..e3b3b92e4 100644 --- a/tools/perf/util/probe-file.c +++ b/tools/perf/util/probe-file.c @@ -22,8 +22,7 @@ #include "color.h" #include "symbol.h" #include "thread.h" -#include <api/fs/debugfs.h> -#include <api/fs/tracefs.h> +#include <api/fs/tracing_path.h> #include "probe-event.h" #include "probe-file.h" #include "session.h" @@ -73,21 +72,11 @@ static void print_both_open_warning(int kerr, int uerr) static int open_probe_events(const char *trace_file, bool readwrite) { char buf[PATH_MAX]; - const char *__debugfs; const char *tracing_dir = ""; int ret; - __debugfs = tracefs_find_mountpoint(); - if (__debugfs == NULL) { - tracing_dir = "tracing/"; - - __debugfs = debugfs_find_mountpoint(); - if (__debugfs == NULL) - return -ENOTSUP; - } - ret = e_snprintf(buf, PATH_MAX, "%s/%s%s", - __debugfs, tracing_dir, trace_file); + tracing_path, tracing_dir, trace_file); if (ret >= 0) { pr_debug("Opening %s write=%d\n", buf, readwrite); if (readwrite && !probe_event_dry_run) @@ -149,6 +138,9 @@ struct strlist *probe_file__get_rawlist(int fd) char *p; struct strlist *sl; + if (fd < 0) + return NULL; + sl = strlist__new(NULL, NULL); fp = fdopen(dup(fd), "r"); @@ -267,7 +259,6 @@ static int __del_trace_probe_event(int fd, struct str_node *ent) goto error; } - pr_info("Removed event: %s\n", ent->s); return 0; error: pr_warning("Failed to delete event: %s\n", @@ -275,13 +266,17 @@ error: return ret; } -int probe_file__del_events(int fd, struct strfilter *filter) +int probe_file__get_events(int fd, struct strfilter *filter, + struct strlist *plist) { struct strlist *namelist; struct str_node *ent; const char *p; int ret = -ENOENT; + if (!plist) + return -EINVAL; + namelist = __probe_file__get_namelist(fd, true); if (!namelist) return -ENOENT; @@ -290,12 +285,43 @@ int probe_file__del_events(int fd, struct strfilter *filter) p = strchr(ent->s, ':'); if ((p && strfilter__compare(filter, p + 1)) || strfilter__compare(filter, ent->s)) { - ret = __del_trace_probe_event(fd, ent); - if (ret < 0) - break; + strlist__add(plist, ent->s); + ret = 0; } } strlist__delete(namelist); return ret; } + +int probe_file__del_strlist(int fd, struct strlist *namelist) +{ + int ret = 0; + struct str_node *ent; + + strlist__for_each(ent, namelist) { + ret = __del_trace_probe_event(fd, ent); + if (ret < 0) + break; + } + return ret; +} + +int probe_file__del_events(int fd, struct strfilter *filter) +{ + struct strlist *namelist; + int ret; + + namelist = strlist__new(NULL, NULL); + if (!namelist) + return -ENOMEM; + + ret = probe_file__get_events(fd, filter, namelist); + if (ret < 0) + return ret; + + ret = probe_file__del_strlist(fd, namelist); + strlist__delete(namelist); + + return ret; +} |