Skip to content

update the pmu event directory. #29

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
per-mathisen-arm merged 1 commit into from
Jun 24, 2026
Merged

update the pmu event directory. #29

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
29 changes: 24 additions & 5 deletions collectors/perf.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -158,12 +158,35 @@ PerfCollector::PerfCollector(const Json::Value& config, const std::string& name,
e.config = item.get("config", 0).asUInt64();
auto type_string = e.device;

auto event_type_filename = "/sys/devices/" + type_string + "/type";
auto event_type_filename_fallback = "/sys/devices/" + type_string + "/type";
auto event_type_filename = "/sys/bus/event_source/devices/" + type_string + "/type";
bool found_event_type = false;

std::ifstream event_type(event_type_filename);
if (getline(event_type, type_string))
{
DBG_LOG("Read event type %s from %s\n", type_string.c_str(), event_type_filename.c_str());
found_event_type = true;
}
else
{
DBG_LOG("Warning: could not read event type from %s, fallback to %s\n",
event_type_filename.c_str(), event_type_filename_fallback.c_str());

std::ifstream event_type_fallback(event_type_filename_fallback);
if (getline(event_type_fallback, type_string))
{
DBG_LOG("Read event type %s from %s\n", type_string.c_str(), event_type_filename_fallback.c_str());
found_event_type = true;
}
else
{
DBG_LOG("Error: wrong device name %s, could not find correspoding event type, event skipped\n", event_type_filename_fallback.c_str());
}
}

if (found_event_type)
{
e.type=atoi(type_string.c_str());
if (e.cspmu)
{
Expand All @@ -189,10 +212,6 @@ PerfCollector::PerfCollector(const Json::Value& config, const std::string& name,
}
}
}
else
{
DBG_LOG("Error: wrong device name %s, could not find correspoding event type, event skipped\n", event_type_filename.c_str());
}
}
else if (e.booker_ci)
{ // booker-ci counter
Expand Down
Loading