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| author | Alex Bennée <alex.bennee@linaro.org> | 2022-01-05 13:49:57 +0000 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2022-01-18 16:42:42 +0000 |
| commit | 92e28c03d6162d55b40f7052962067c021c90e7d (patch) | |
| tree | 912a21b0f1d2023f532cc10902e6ffb9dfb10c07 /accel | |
| parent | 33973e1e1f88b7588fe9629645e279ff2c6ca1c4 (diff) | |
monitor: move x-query-profile into accel/tcg to fix build
As --enable-profiler isn't defended in CI we missed this breakage.
Move the qmp handler into accel/tcg so we have access to the helpers
we need. While we are at it ensure we gate the feature on CONFIG_TCG.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Fixes: 37087fde0e ("qapi: introduce x-query-profile QMP command")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/773
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220105135009.1584676-23-alex.bennee@linaro.org>
Diffstat (limited to 'accel')
| -rw-r--r-- | accel/tcg/cpu-exec.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index 409ec8c38c..8b4cd6c59d 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -1090,4 +1090,35 @@ HumanReadableText *qmp_x_query_opcount(Error **errp) return human_readable_text_from_str(buf); } +#ifdef CONFIG_PROFILER + +int64_t dev_time; + +HumanReadableText *qmp_x_query_profile(Error **errp) +{ + g_autoptr(GString) buf = g_string_new(""); + static int64_t last_cpu_exec_time; + int64_t cpu_exec_time; + int64_t delta; + + cpu_exec_time = tcg_cpu_exec_time(); + delta = cpu_exec_time - last_cpu_exec_time; + + g_string_append_printf(buf, "async time %" PRId64 " (%0.3f)\n", + dev_time, dev_time / (double)NANOSECONDS_PER_SECOND); + g_string_append_printf(buf, "qemu time %" PRId64 " (%0.3f)\n", + delta, delta / (double)NANOSECONDS_PER_SECOND); + last_cpu_exec_time = cpu_exec_time; + dev_time = 0; + + return human_readable_text_from_str(buf); +} +#else +HumanReadableText *qmp_x_query_profile(Error **errp) +{ + error_setg(errp, "Internal profiler not compiled"); + return NULL; +} +#endif + #endif /* !CONFIG_USER_ONLY */ |