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accel/tcg: Do not dump NaN statistics

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Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Message-Id: <20250710111303.8917-1-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé
2025-07-09 16:14:59 +02:00
parent d6c73ac306
commit b2ed4df79e
1 changed files with 15 additions and 7 deletions
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22
accel/tcg/monitor.c
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@ -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);
}