diff options
Diffstat (limited to 'drivers/gator/daemon/Collector.cpp')
| -rw-r--r-- | drivers/gator/daemon/Collector.cpp | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/drivers/gator/daemon/Collector.cpp b/drivers/gator/daemon/Collector.cpp index c6f837628f1..7a41198e5cb 100644 --- a/drivers/gator/daemon/Collector.cpp +++ b/drivers/gator/daemon/Collector.cpp @@ -46,10 +46,14 @@ Collector::Collector() { getCoreName(); + enablePerfCounters(); + // Read unchanging keys from driver which are created at insmod'ing of gator.ko for (int i = 0; i < MAX_PERFORMANCE_COUNTERS; i++) { - snprintf(text, sizeof(text), "events/%s/key", gSessionData->mPerfCounterType[i]); - readIntDriver(text, &gSessionData->mPerfCounterKey[i]); + if (gSessionData->mPerfCounterEnabled[i]) { + snprintf(text, sizeof(text), "events/%s/key", gSessionData->mPerfCounterType[i]); + readIntDriver(text, &gSessionData->mPerfCounterKey[i]); + } } } @@ -64,6 +68,21 @@ Collector::~Collector() { } void Collector::enablePerfCounters() { + char text[sizeof(gSessionData->mPerfCounterType[0]) + 30]; // sufficiently large to hold all /dev/gator/events/<types>/enabled + for (int i=0; i<MAX_PERFORMANCE_COUNTERS; i++) { + if (!gSessionData->mPerfCounterEnabled[i]) { + continue; + } + snprintf(text, sizeof(text), "events/%s/enabled", gSessionData->mPerfCounterType[i]); + if (writeReadDriver(text, &gSessionData->mPerfCounterEnabled[i])) { + // Disable those events that don't exist on this hardware platform even though they exist in configuration.xml + gSessionData->mPerfCounterEnabled[i] = 0; + continue; + } + } +} + +void Collector::setupPerfCounters() { char base[sizeof(gSessionData->mPerfCounterType[0]) + 10]; // sufficiently large to hold all events/<types> char text[sizeof(gSessionData->mPerfCounterType[0]) + 20]; // sufficiently large to hold all events/<types>/<file> @@ -86,10 +105,6 @@ void Collector::enablePerfCounters() { handleException(); } } - snprintf(text, sizeof(text), "%s/enabled", base); - if (writeReadDriver(text, &gSessionData->mPerfCounterEnabled[i])) { - gSessionData->mPerfCounterEnabled[i] = 0; - } } } |