diff options
| -rw-r--r-- | include/qemu/qsp.h | 8 | ||||
| -rw-r--r-- | util/qsp.c | 33 |
2 files changed, 34 insertions, 7 deletions
diff --git a/include/qemu/qsp.h b/include/qemu/qsp.h index 9c2bb60..209480b 100644 --- a/include/qemu/qsp.h +++ b/include/qemu/qsp.h @@ -13,7 +13,13 @@ #include "qemu/fprintf-fn.h" -void qsp_report(FILE *f, fprintf_function cpu_fprintf, size_t max); +enum QSPSortBy { + QSP_SORT_BY_TOTAL_WAIT_TIME, + QSP_SORT_BY_AVG_WAIT_TIME, +}; + +void qsp_report(FILE *f, fprintf_function cpu_fprintf, size_t max, + enum QSPSortBy sort_by); bool qsp_is_enabled(void); void qsp_enable(void); @@ -429,14 +429,34 @@ static gint qsp_tree_cmp(gconstpointer ap, gconstpointer bp, gpointer up) { const QSPEntry *a = ap; const QSPEntry *b = bp; + enum QSPSortBy sort_by = *(enum QSPSortBy *)up; const QSPCallSite *ca; const QSPCallSite *cb; - if (a->ns > b->ns) { - return -1; - } else if (a->ns < b->ns) { - return 1; + switch (sort_by) { + case QSP_SORT_BY_TOTAL_WAIT_TIME: + if (a->ns > b->ns) { + return -1; + } else if (a->ns < b->ns) { + return 1; + } + break; + case QSP_SORT_BY_AVG_WAIT_TIME: + { + double avg_a = a->n_acqs ? a->ns / a->n_acqs : 0; + double avg_b = b->n_acqs ? b->ns / b->n_acqs : 0; + + if (avg_a > avg_b) { + return -1; + } else if (avg_a < avg_b) { + return 1; + } + break; } + default: + g_assert_not_reached(); + } + ca = a->callsite; cb = b->callsite; /* Break the tie with the object's address */ @@ -613,9 +633,10 @@ static void report_destroy(QSPReport *rep) g_free(rep->entries); } -void qsp_report(FILE *f, fprintf_function cpu_fprintf, size_t max) +void qsp_report(FILE *f, fprintf_function cpu_fprintf, size_t max, + enum QSPSortBy sort_by) { - GTree *tree = g_tree_new_full(qsp_tree_cmp, NULL, g_free, NULL); + GTree *tree = g_tree_new_full(qsp_tree_cmp, &sort_by, g_free, NULL); QSPReport rep; qsp_init(); |