Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/core

1 files changed, 13 insertions, 6 deletions

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6febcc168a8..db6adecf46f 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -275,11 +275,10 @@ try_again:
                                      !no_inherit) < 0) {
                         int err = errno;
 
-                        if (err == EPERM || err == EACCES)
-                                die("Permission error - are you root?\n"
-                                        "\t Consider tweaking"
-                                        " /proc/sys/kernel/perf_event_paranoid.\n");
-                        else if (err ==  ENODEV && cpu_list) {
+                        if (err == EPERM || err == EACCES) {
+                                ui__warning_paranoid();
+                                exit(EXIT_FAILURE);
+                        } else if (err ==  ENODEV && cpu_list) {
                                 die("No such device - did you specify"
                                         " an out-of-range profile CPU?\n");
                         } else if (err == EINVAL && sample_id_all_avail) {
@@ -302,11 +301,19 @@ try_again:
                                         && attr->config == PERF_COUNT_HW_CPU_CYCLES) {
 
                                 if (verbose)
-                                        warning(" ... trying to fall back to cpu-clock-ticks\n");
+                                        ui__warning("The cycles event is not supported, "
+                                                    "trying to fall back to cpu-clock-ticks\n");
                                 attr->type = PERF_TYPE_SOFTWARE;
                                 attr->config = PERF_COUNT_SW_CPU_CLOCK;
                                 goto try_again;
                         }
+
+                        if (err == ENOENT) {
+                                ui__warning("The %s event is not supported.\n",
+                                            event_name(pos));
+                                exit(EXIT_FAILURE);
+                        }
+
                         printf("\n");
                         error("sys_perf_event_open() syscall returned with %d (%s).  /bin/dmesg may provide additional information.\n",
                               err, strerror(err));