tweak burst detection for multicore systems

1 files changed, 4 insertions, 4 deletions

diff --git a/burstdog.c b/burstdog.c
index da8dedc..f39e6a2 100644
--- a/burstdog.c
+++ b/burstdog.c
@@ -14,8 +14,8 @@
 
 // settings
 #define BURSTDOG_IV          10  // how often to wake up, per second
-#define BURSTDOG_BURST       98  // cpu time percentage considered a burst
-#define BURSTDOG_BURST_END   90  // cpu time percentage considered the end of a burst
+#define BURSTDOG_BURST      120  // cpu time percentage considered a burst
+#define BURSTDOG_BURST_END  100  // cpu time percentage considered the end of a burst
 #define BURSTDOG_SAMPLES      5  // how many samples a burst needs to persist for to be logged
 #define BURSTDOG_USE_TOTAL    1  // 0: consider processes individually 1: consider total cpu usage and log top processes
 #define BURSTDOG_CULPRITS     5  // for BURSTDOG_USE_TOTAL: how many processes are logged on burst
@@ -279,12 +279,12 @@ int main(int argc, char **argv)
             uint64_t total = cpu_stats[0].total - cpu_stats[BURSTDOG_SAMPLES-1].total;
             uint64_t busy = cpu_stats[0].busy - cpu_stats[BURSTDOG_SAMPLES-1].busy;
             uint64_t share = nproc * busy * 100 / total;
-            uint64_t level = 2*share/BURSTDOG_BURST;
             bool do_log = false;
 
-            if (bursting && share < BURSTDOG_BURST_END) {
+            if (share < BURSTDOG_BURST_END) {
                 bursting = 0;
             } else if (share >= BURSTDOG_BURST) {
+                uint64_t level = (share-BURSTDOG_BURST)/50+1;
                 if (level > bursting)
                     do_log = true;
                 bursting = level;