diff options
| -rw-r--r-- | Documentation/perf_counter/kerneltop.c | 45 |
1 files changed, 23 insertions, 22 deletions
diff --git a/Documentation/perf_counter/kerneltop.c b/Documentation/perf_counter/kerneltop.c index 4f8d7917aba..15f3a5f9019 100644 --- a/Documentation/perf_counter/kerneltop.c +++ b/Documentation/perf_counter/kerneltop.c @@ -636,16 +636,20 @@ static void print_sym_table(void) int counter; float events_per_sec = events/delay_secs; float kevents_per_sec = (events-userspace_events)/delay_secs; + float sum_kevents = 0.0; events = userspace_events = 0; memcpy(tmp, sym_table, sizeof(sym_table[0])*sym_table_count); qsort(tmp, sym_table_count, sizeof(tmp[0]), compare); + for (i = 0; i < sym_table_count && tmp[i].count[0]; i++) + sum_kevents += tmp[i].count[0]; + write(1, CONSOLE_CLEAR, strlen(CONSOLE_CLEAR)); printf( "------------------------------------------------------------------------------\n"); - printf( " KernelTop:%8.0f irqs/sec kernel:%3.1f%% [%s, ", + printf( " KernelTop:%8.0f irqs/sec kernel:%4.1f%% [%s, ", events_per_sec, 100.0 - (100.0*((events_per_sec-kevents_per_sec)/events_per_sec)), nmi ? "NMI" : "IRQ"); @@ -679,34 +683,31 @@ static void print_sym_table(void) printf("------------------------------------------------------------------------------\n\n"); if (nr_counters == 1) - printf(" events"); + printf(" events pcnt"); else - printf(" weight events"); + printf(" weight events pcnt"); printf(" RIP kernel function\n" - " ______ ______ ________________ _______________\n\n" + " ______ ______ _____ ________________ _______________\n\n" ); - printed = 0; - for (i = 0; i < sym_table_count; i++) { + for (i = 0, printed = 0; i < sym_table_count; i++) { + float pcnt; int count; - if (nr_counters == 1) { - if (printed <= 18 && - tmp[i].count[0] >= count_filter) { - printf("%19.2f - %016llx : %s\n", - sym_weight(tmp + i), tmp[i].addr, tmp[i].sym); - printed++; - } - } else { - if (printed <= 18 && - tmp[i].count[0] >= count_filter) { - printf("%8.1f %10ld - %016llx : %s\n", - sym_weight(tmp + i), - tmp[i].count[0], - tmp[i].addr, tmp[i].sym); - printed++; - } + if (printed <= 18 && tmp[i].count[0] >= count_filter) { + pcnt = 100.0 - (100.0*((sum_kevents-tmp[i].count[0])/sum_kevents)); + + if (nr_counters == 1) + printf("%19.2f - %4.1f%% - %016llx : %s\n", + sym_weight(tmp + i), + pcnt, tmp[i].addr, tmp[i].sym); + else + printf("%8.1f %10ld - %4.1f%% - %016llx : %s\n", + sym_weight(tmp + i), + tmp[i].count[0], + pcnt, tmp[i].addr, tmp[i].sym); + printed++; } /* * Add decay to the counts: |