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-rw-r--r--erts/emulator/beam/beam_emu.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index 073b7e39b6..b3e6ebf651 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -5252,19 +5252,14 @@ void erts_dirty_process_main(ErtsSchedulerData *esdp)
else {
/*
* Dirty CPU scheduler:
- * Currently two reductions consumed per
- * micro second spent in the dirty NIF.
+ * Reductions based on time consumed by
+ * the dirty NIF.
*/
- ErtsMonotonicTime time;
- time = erts_get_monotonic_time(esdp);
- time -= start_time;
- time = ERTS_MONOTONIC_TO_USEC(time);
- time *= (CONTEXT_REDS-1)/1000 + 1;
- ASSERT(time >= 0);
- if (time == 0)
- time = 1; /* At least one reduction */
- time += esdp->virtual_reds;
- reds_used = time > INT_MAX ? INT_MAX : (int) time;
+ Sint64 treds;
+ treds = erts_time2reds(start_time,
+ erts_get_monotonic_time(esdp));
+ treds += esdp->virtual_reds;
+ reds_used = treds > INT_MAX ? INT_MAX : (int) treds;
}
PROCESS_MAIN_CHK_LOCKS(c_p);