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Merge tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu into staging

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# gpg: Signature made Mon 02 Jun 2025 18:29:28 EDT
# gpg:                using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [ultimate]
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>" [ultimate]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* tag 'tracing-pull-request' of https://gitlab.com/stefanha/qemu:
  trace/simple: seperate hot paths of tracing fucntions

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi
2025-06-03 09:19:12 -04:00
parent 6322b753f7 ffcfb0faaa
commit 37fa1bdf34
1 changed files with 10 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files
scripts/tracetool/backend/simple.py
+10 -13
View File
@@ -36,8 +36,17 @@ def generate_h_begin(events, group):
def generate_h(event, group):
out(' _simple_%(api)s(%(args)s);',
event_id = 'TRACE_' + event.name.upper()
if "vcpu" in event.properties:
# already checked on the generic format code
cond = "true"
else:
cond = "trace_event_get_state(%s)" % event_id
out(' if (%(cond)s) {',
' _simple_%(api)s(%(args)s);',
' }',
api=event.api(),
cond=cond,
args=", ".join(event.args.names()))
@@ -72,22 +81,10 @@ def generate_c(event, group):
if len(event.args) == 0:
sizestr = '0'
event_id = 'TRACE_' + event.name.upper()
if "vcpu" in event.properties:
# already checked on the generic format code
cond = "true"
else:
cond = "trace_event_get_state(%s)" % event_id
out('',
' if (!%(cond)s) {',
' return;',
' }',
'',
' if (trace_record_start(&rec, %(event_obj)s.id, %(size_str)s)) {',
' return; /* Trace Buffer Full, Event Dropped ! */',
' }',
cond=cond,
event_obj=event.api(event.QEMU_EVENT),
size_str=sizestr)