genode/repos/base-sel4/patches/benchmark.patch
Alexander Boettcher fd0b256f7c sel4: support cpu utilization via TRACE service
using benchmark infrastructure of the seL4 kernel

Issue #2451
2017-08-18 10:24:47 +02:00

50 lines
1.9 KiB
Diff

--- src/kernel/sel4/src/benchmark/benchmark_utilisation.c
+++ src/kernel/sel4/src/benchmark/benchmark_utilisation.c
@@ -36,6 +36,11 @@
tcb = TCB_PTR(cap_thread_cap_get_capTCBPtr(lu_ret.cap));
buffer[BENCHMARK_TCB_UTILISATION] = tcb->benchmark.utilisation; /* Requested thread utilisation */
+#if CONFIG_MAX_NUM_NODES > 1
+ if (tcb->tcbAffinity < ksNumCPUs)
+ buffer[BENCHMARK_IDLE_UTILISATION] = NODE_STATE_ON_CORE(ksIdleThread, tcb->tcbAffinity)->benchmark.utilisation; /* Idle thread utilisation */
+ else
+#endif
buffer[BENCHMARK_IDLE_UTILISATION] = NODE_STATE(ksIdleThread)->benchmark.utilisation; /* Idle thread utilisation */
#ifdef CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
--- src/kernel/sel4/include/arch/arm/arch/benchmark_overflowHandler.h
+++ src/kernel/sel4/include/arch/arm/arch/benchmark_overflowHandler.h
@@ -21,6 +21,7 @@
extern bool_t benchmark_log_utilisation_enabled;
+#ifdef CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
static inline void handleOverflowIRQ(void)
{
if (likely(benchmark_log_utilisation_enabled)) {
@@ -31,6 +32,7 @@
armv_handleOverflowIRQ();
}
}
+#endif /* CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT */
#endif /* CONFIG_BENCHMARK_TRACK_UTILISATION */
#endif /* CONFIG_ENABLE_BENCHMARKS */
#endif /* ARCH_BENCHMARK_OV_H */
--- src/kernel/sel4/include/arch/arm/armv/armv7-a/armv/benchmark.h
+++ src/kernel/sel4/include/arch/arm/armv/armv7-a/armv/benchmark.h
@@ -14,10 +14,14 @@
#ifdef CONFIG_ENABLE_BENCHMARKS
#ifdef CONFIG_BENCHMARK_TRACK_UTILISATION
+#ifdef CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
extern uint64_t ccnt_num_overflows;
+#endif /* CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT */
static inline void benchmark_arch_utilisation_reset(void)
{
+#ifdef CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT
ccnt_num_overflows = 0;
+#endif /* CONFIG_ARM_ENABLE_PMU_OVERFLOW_INTERRUPT */
}
#endif /* CONFIG_BENCHMARK_TRACK_UTILISATION */