From b2ed4df79e82a6c95feadbe6efefced7bbeb4db2 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Wed, 9 Jul 2025 16:14:59 +0200 Subject: [PATCH] accel/tcg: Do not dump NaN statistics MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Manos Pitsidianakis Message-Id: <20250710111303.8917-1-philmd@linaro.org> --- accel/tcg/monitor.c | 22 +++++++++++++++------- 1 file 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 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); } -- 2.47.2