diff options
| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2013-11-01 17:53:54 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-11-04 14:33:59 -0300 |
| commit | 18900af8292180151c82f0762506fa0740aa54a5 (patch) | |
| tree | 2f6b395ab96b5308511f8a60e6fc4e2de24666b3 /tools/lib/traceevent | |
| parent | 1b372ca52a02cc97520c13d79bdfb0a7ff81b772 (diff) | |
tools lib traceevent: Update printk formats when entered
Instead of cropping off the '"' and '\n"' from a printk format every
time it is referenced, do it when it's added. This makes it easier to
reference a printk_map and should speed things up a little.
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/20131101215500.495619312@goodmis.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 29 | ||||
| -rw-r--r-- | tools/lib/traceevent/event-parse.h | 2 |
2 files changed, 15 insertions, 16 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index deedff9d06af..856b79105abc 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -604,10 +604,11 @@ find_printk(struct pevent *pevent, unsigned long long addr) * This registers a string by the address it was stored in the kernel. * The @fmt passed in is duplicated. */ -int pevent_register_print_string(struct pevent *pevent, char *fmt, +int pevent_register_print_string(struct pevent *pevent, const char *fmt, unsigned long long addr) { struct printk_list *item = malloc(sizeof(*item)); + char *p; if (!item) return -1; @@ -615,10 +616,21 @@ int pevent_register_print_string(struct pevent *pevent, char *fmt, item->next = pevent->printklist; item->addr = addr; + /* Strip off quotes and '\n' from the end */ + if (fmt[0] == '"') + fmt++; item->printk = strdup(fmt); if (!item->printk) goto out_free; + p = item->printk + strlen(item->printk) - 1; + if (*p == '"') + *p = 0; + + p -= 2; + if (strcmp(p, "\\n") == 0) + *p = 0; + pevent->printklist = item; pevent->printk_count++; @@ -3887,7 +3899,6 @@ get_bprint_format(void *data, int size __maybe_unused, struct format_field *field; struct printk_map *printk; char *format; - char *p; field = pevent->bprint_fmt_field; @@ -3909,20 +3920,8 @@ get_bprint_format(void *data, int size __maybe_unused, return format; } - p = printk->printk; - /* Remove any quotes. */ - if (*p == '"') - p++; - if (asprintf(&format, "%s : %s", "%pf", p) < 0) + if (asprintf(&format, "%s : %s", "%pf", printk->printk) < 0) return NULL; - /* remove ending quotes and new line since we will add one too */ - p = format + strlen(format) - 1; - if (*p == '"') - *p = 0; - - p -= 2; - if (strcmp(p, "\\n") == 0) - *p = 0; return format; } diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h index 7503edf5ac6a..9ab6367f2fe9 100644 --- a/tools/lib/traceevent/event-parse.h +++ b/tools/lib/traceevent/event-parse.h @@ -533,7 +533,7 @@ int pevent_register_comm(struct pevent *pevent, const char *comm, int pid); void pevent_register_trace_clock(struct pevent *pevent, char *trace_clock); int pevent_register_function(struct pevent *pevent, char *name, unsigned long long addr, char *mod); -int pevent_register_print_string(struct pevent *pevent, char *fmt, +int pevent_register_print_string(struct pevent *pevent, const char *fmt, unsigned long long addr); int pevent_pid_is_registered(struct pevent *pevent, int pid); |