diff options
Diffstat (limited to 'accel/tcg/monitor.c')
| -rw-r--r-- | accel/tcg/monitor.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/accel/tcg/monitor.c b/accel/tcg/monitor.c index e7ed7281a4..778b12613f 100644 --- a/accel/tcg/monitor.c +++ b/accel/tcg/monitor.c @@ -19,7 +19,7 @@ #include "tcg/tcg.h" #include "internal-common.h" #include "tb-context.h" - +#include <math.h> static void dump_drift_info(GString *buf) { @@ -57,6 +57,7 @@ static void print_qht_statistics(struct qht_stats hst, GString *buf) uint32_t hgram_opts; size_t hgram_bins; char *hgram; + double avg; if (!hst.head_buckets) { return; @@ -73,9 +74,13 @@ static void print_qht_statistics(struct qht_stats hst, GString *buf) hgram_opts |= QDIST_PR_NODECIMAL; } hgram = qdist_pr(&hst.occupancy, 10, hgram_opts); - g_string_append_printf(buf, "TB hash occupancy %0.2f%% avg chain occ. " - "Histogram: %s\n", - qdist_avg(&hst.occupancy) * 100, hgram); + avg = qdist_avg(&hst.occupancy); + if (!isnan(avg)) { + g_string_append_printf(buf, "TB hash occupancy " + "%0.2f%% avg chain occ. " + "Histogram: %s\n", + avg * 100, hgram); + } g_free(hgram); hgram_opts = QDIST_PR_BORDER | QDIST_PR_LABELS; @@ -87,9 +92,12 @@ static void print_qht_statistics(struct qht_stats hst, GString *buf) hgram_opts |= QDIST_PR_NODECIMAL | QDIST_PR_NOBINRANGE; } hgram = qdist_pr(&hst.chain, hgram_bins, hgram_opts); - g_string_append_printf(buf, "TB hash avg chain %0.3f buckets. " - "Histogram: %s\n", - qdist_avg(&hst.chain), hgram); + avg = qdist_avg(&hst.chain); + if (!isnan(avg)) { + g_string_append_printf(buf, "TB hash avg chain %0.3f buckets. " + "Histogram: %s\n", + avg, hgram); + } g_free(hgram); } |