diff options
Diffstat (limited to 'scripts/qemu-trace-stap')
| -rwxr-xr-x | scripts/qemu-trace-stap | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/scripts/qemu-trace-stap b/scripts/qemu-trace-stap index 90527eb974..eb6e951ff2 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)) |