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ProfileViewer: Add basic support for loading "perfcore" files

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"perfcore" is the file that the kernel generates after a process that
was recording performance events has exited.

This patch teaches ProfileViewer how to load (and symbolicate!) those
files so that we can look at them. This will need a bunch more work
to make it truly useful.
This commit is contained in:
Andreas Kling 2020-02-02 20:29:55 +01:00
parent fa97ff1c83
commit 266d7ca268
3 changed files with 74 additions and 1 deletions
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8
DevTools/ProfileViewer/main.cpp
View file

@ -43,8 +43,14 @@ int main(int argc, char** argv)
}
const char* path = argv[1];
OwnPtr<Profile> profile;
if (!strcmp(path, "perfcore")) {
profile = Profile::load_from_perfcore_file(path);
} else {
profile = Profile::load_from_file(path);
}
auto profile = Profile::load_from_file(path);
if (!profile) {
fprintf(stderr, "Unable to load profile '%s'\n", path);
return 1;