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authorPeter Maydell <peter.maydell@linaro.org>2021-07-13 11:26:09 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-07-13 11:26:09 +0100
commit5e05c40ced78ed9a3c25a82ec1f144bb7baffe3f (patch)
treee193851f37a32c29c2fc20d93541eb64c7ed6069 /scripts
parenteca73713358f7abb18f15c026ff4267b51746992 (diff)
parentbbe47ed2928542e7db58146b6108e3f2836f278f (diff)
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Merge remote-tracking branch 'remotes/stefanha-gitlab/tags/tracing-pull-request' into staging
Pull request # gpg: Signature made Mon 12 Jul 2021 17:49:46 BST # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha-gitlab/tags/tracing-pull-request: trace, lttng: require .pc files trace/simple: add st_init_group trace/simple: pass iter to st_write_event_mapping trace: add trace_event_iter_init_group trace: iter init tweaks qemu-trace-stap: changing SYSTEMTAP_TAPSET considered harmful. Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/qemu-trace-stap14
1 files changed, 4 insertions, 10 deletions
diff --git a/scripts/qemu-trace-stap b/scripts/qemu-trace-stap
index 90527eb..eb6e951 100755
--- a/scripts/qemu-trace-stap
+++ b/scripts/qemu-trace-stap
@@ -55,11 +55,6 @@ def tapset_dir(binary):
return os.path.realpath(tapset)
-def tapset_env(tapset_dir):
- tenv = copy.copy(os.environ)
- tenv["SYSTEMTAP_TAPSET"] = tapset_dir
- return tenv
-
def cmd_run(args):
prefix = probe_prefix(args.binary)
tapsets = tapset_dir(args.binary)
@@ -81,11 +76,11 @@ def cmd_run(args):
# We request an 8MB buffer, since the stap default 1MB buffer
# can be easily overflowed by frequently firing QEMU traces
- stapargs = ["stap", "-s", "8"]
+ stapargs = ["stap", "-s", "8", "-I", tapsets ]
if args.pid is not None:
stapargs.extend(["-x", args.pid])
stapargs.extend(["-e", script])
- subprocess.call(stapargs, env=tapset_env(tapsets))
+ subprocess.call(stapargs)
def cmd_list(args):
@@ -101,10 +96,9 @@ def cmd_list(args):
if verbose:
print("Listing probes with name '%s'" % script)
- proc = subprocess.Popen(["stap", "-l", script],
+ proc = subprocess.Popen(["stap", "-I", tapsets, "-l", script],
stdout=subprocess.PIPE,
- universal_newlines=True,
- env=tapset_env(tapsets))
+ universal_newlines=True)
out, err = proc.communicate()
if proc.returncode != 0:
print("No probes found, are the tapsets installed in %s" % tapset_dir(args.binary))