Skip to content

add option for perf event attr inherit #16

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
merged 2 commits into from
Jul 2, 2024
Merged

add option for perf event attr inherit #16

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c03ba81
add option for perf event attr inherit
zilzho01 Jul 2, 2024
f3106dc
add default value for event inherit attribute
zilzho01 Jul 2, 2024
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
8 changes: 6 additions & 2 deletions collectors/perf.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -82,9 +82,12 @@ static inline uint64_t makeup_booker_ci_config(int nodetype, int eventid, int by
PerfCollector::PerfCollector(const Json::Value& config, const std::string& name) : Collector(config, name)
{
struct event leader = {"CPUCycleCount", PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES};
mEvents.push_back(leader);

mSet = mConfig.get("set", -1).asInt();
mInherit = mConfig.get("inherit", 1).asInt();

leader.inherited = mInherit;
mEvents.push_back(leader);

if ((0 <= mSet) && (mSet <= 3))
{
Expand Down Expand Up @@ -114,6 +117,7 @@ PerfCollector::PerfCollector(const Json::Value& config, const std::string& name)
e.booker_ci = item.get("booker-ci", 0).asInt();
e.cspmu = item.get("CSPMU", 0).asInt();
e.device = item.get("device", "").asString();
e.inherited = mInherit;

if (e.booker_ci)
{ // booker-ci counter
Expand Down Expand Up @@ -213,7 +217,7 @@ static int add_event(const struct event &e, int tid, int cpu, int group = -1)
pe.config = e.config;
pe.config1 = (e.len == hw_cnt_length::b32) ? 0 : 1;
pe.disabled = 1;
pe.inherit = 1;
pe.inherit = e.inherited;
pe.exclude_user = e.exc_user;
pe.exclude_kernel = e.exc_kernel;
pe.exclude_hv = 0;
Expand Down
2 changes: 2 additions & 0 deletions collectors/perf.hpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ struct event {
bool booker_ci; // default is false
bool cspmu;
std::string device; // default is ""
uint32_t inherited; // default is 1
};

class event_context
Expand Down Expand Up @@ -107,6 +108,7 @@ class PerfCollector : public Collector

private:
int mSet = -1;
int mInherit = 1;
bool mAllThread = true;
std::vector<struct event> mEvents;
std::vector<struct event> mBookerEvents;
Expand Down