From af4a64c53238348a900cc02c4a5c1c5cc336845e Mon Sep 17 00:00:00 2001
From: Stefano Bonicatti <stefano.bonicatti@gmail.com>
Date: Wed, 3 Jul 2024 12:23:41 +0200
Subject: [PATCH] Debug scheduler drift

---
 osquery/dispatcher/scheduler.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/osquery/dispatcher/scheduler.cpp b/osquery/dispatcher/scheduler.cpp
index e519218e5dc2..b2424b488b01 100644
--- a/osquery/dispatcher/scheduler.cpp
+++ b/osquery/dispatcher/scheduler.cpp
@@ -215,13 +215,17 @@ void SchedulerRunner::calculateTimeDriftAndMaybePause(
   if (loop_step_duration + time_drift_ < interval_) {
     pause(interval_ - loop_step_duration - time_drift_);
     time_drift_ = std::chrono::milliseconds::zero();
+    std::cout << "SCHEDULE SLEEP" << std::endl;
   } else {
     time_drift_ += loop_step_duration - interval_;
     if (time_drift_ > max_time_drift_) {
       // giving up
       time_drift_ = std::chrono::milliseconds::zero();
+      std::cout << "TOO MUCH DRIFT" << std::endl;
     }
   }
+
+  std::cout << "CURRENT DRIFT: " << time_drift_.count() << std::endl;
 }
 
 void SchedulerRunner::maybeRunDecorators(uint64_t time_step) {
@@ -325,8 +329,8 @@ void SchedulerRunner::start() {
   }
 }
 
-std::chrono::milliseconds SchedulerRunner::getCurrentTimeDrift() const
-    noexcept {
+std::chrono::milliseconds SchedulerRunner::getCurrentTimeDrift()
+    const noexcept {
   return time_drift_;
 }