diff options
Diffstat (limited to 'Documentation/perf_counter/perfcounters.h')
-rw-r--r-- | Documentation/perf_counter/perfcounters.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/Documentation/perf_counter/perfcounters.h b/Documentation/perf_counter/perfcounters.h index 0f3764a..99a90d8 100644 --- a/Documentation/perf_counter/perfcounters.h +++ b/Documentation/perf_counter/perfcounters.h @@ -143,6 +143,10 @@ asmlinkage int sys_perf_counter_open( return ret; } +static int nr_counters = 0; +static long event_id[MAX_COUNTERS] = { -2, -5, -4, -3, 0, 1, 2, 3}; +static int event_raw[MAX_COUNTERS]; + static char *hw_event_names [] = { "CPU cycles", "instructions", @@ -235,14 +239,13 @@ static int match_event_symbols(char *str) return PERF_HW_EVENTS_MAX; } -static void parse_events(char *str) +static int parse_events(char *str) { int type, raw; again: - nr_counters++; if (nr_counters == MAX_COUNTERS) - display_help(); + return -1; raw = 0; if (*str == 'r') { @@ -252,16 +255,18 @@ again: } else { type = match_event_symbols(str); if (!type_valid(type)) - display_help(); + return -1; } event_id[nr_counters] = type; event_raw[nr_counters] = raw; + nr_counters++; str = strstr(str, ","); if (str) { str++; goto again; } -} + return 0; +} |