perf probe: Usability fixes

Ingo pointed out few perf probe usability related errors during his
review of uprobes.

Since these issues are independent of uprobes, fixing them in a separate
patch.

Suggested-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Link: http://lkml.kernel.org/r/20120120121354.GL15447@linux.vnet.ibm.com
Signed-off-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 29cb654..b9bbdd2 100644 (file)
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1729,7 +1729,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
        }
 
        ret = 0;
-       printf("Add new event%s\n", (ntevs > 1) ? "s:" : ":");
+       printf("Added new event%s\n", (ntevs > 1) ? "s:" : ":");
        for (i = 0; i < ntevs; i++) {
                tev = &tevs[i];
                if (pev->event)
@@ -1784,7 +1784,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev,
 
        if (ret >= 0) {
                /* Show how to use the event. */
-               printf("\nYou can now use it on all perf tools, such as:\n\n");
+               printf("\nYou can now use it in all perf tools, such as:\n\n");
                printf("\tperf record -e %s:%s -aR sleep 1\n\n", tev->group,
                         tev->event);
        }
@@ -1959,7 +1959,7 @@ static int __del_trace_probe_event(int fd, struct str_node *ent)
                goto error;
        }
 
-       printf("Remove event: %s\n", ent->s);
+       printf("Removed event: %s\n", ent->s);
        return 0;
 error:
        pr_warning("Failed to delete event: %s\n", strerror(-ret));