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authorAlex Bennée <alex.bennee@linaro.org>2023-05-26 17:53:52 +0100
committerStefan Hajnoczi <stefanha@redhat.com>2023-06-01 11:05:05 -0400
commit78f314cf8349a76a757dbcc4da88bf9a0b20d3a1 (patch)
tree10336fcd48979b4a0ab8fb6ee3b638adeeffc250
parent2e2097b495990b198c45dd8ecde8cc58ae3fcd1f (diff)
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trace-events: remove the remaining vcpu trace events
While these are all in helper functions being designated vcpu events complicates the removal of the dynamic vcpu state code. TCG plugins allow you to instrument vcpu_[init|exit|idle]. We rename cpu_reset and make it a normal trace point. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-id: 20230526165401.574474-3-alex.bennee@linaro.org Message-Id: <20230524133952.3971948-3-alex.bennee@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--hw/core/cpu-common.c4
-rw-r--r--hw/core/trace-events3
-rw-r--r--trace-events31
-rw-r--r--trace/control-target.c1
-rw-r--r--trace/control.c2
5 files changed, 5 insertions, 36 deletions
diff --git a/hw/core/cpu-common.c b/hw/core/cpu-common.c
index 5ccc383..951477a 100644
--- a/hw/core/cpu-common.c
+++ b/hw/core/cpu-common.c
@@ -32,7 +32,7 @@
#include "sysemu/tcg.h"
#include "hw/boards.h"
#include "hw/qdev-properties.h"
-#include "trace/trace-root.h"
+#include "trace.h"
#include "qemu/plugin.h"
CPUState *cpu_by_arch_id(int64_t id)
@@ -113,7 +113,7 @@ void cpu_reset(CPUState *cpu)
{
device_cold_reset(DEVICE(cpu));
- trace_guest_cpu_reset(cpu);
+ trace_cpu_reset(cpu->cpu_index);
}
static void cpu_common_reset_hold(Object *obj)
diff --git a/hw/core/trace-events b/hw/core/trace-events
index 56da55b..2cf085a 100644
--- a/hw/core/trace-events
+++ b/hw/core/trace-events
@@ -29,3 +29,6 @@ clock_set(const char *clk, uint64_t old, uint64_t new) "'%s', %"PRIu64"Hz->%"PRI
clock_propagate(const char *clk) "'%s'"
clock_update(const char *clk, const char *src, uint64_t hz, int cb) "'%s', src='%s', val=%"PRIu64"Hz cb=%d"
clock_set_mul_div(const char *clk, uint32_t oldmul, uint32_t mul, uint32_t olddiv, uint32_t div) "'%s', mul: %u -> %u, div: %u -> %u"
+
+# cpu-common.c
+cpu_reset(int cpu_index) "%d"
diff --git a/trace-events b/trace-events
index 691c353..dd318ed 100644
--- a/trace-events
+++ b/trace-events
@@ -54,34 +54,3 @@ qmp_job_resume(void *job) "job %p"
qmp_job_complete(void *job) "job %p"
qmp_job_finalize(void *job) "job %p"
qmp_job_dismiss(void *job) "job %p"
-
-
-### Guest events, keep at bottom
-
-
-## vCPU
-
-# trace/control-target.c
-
-# Hot-plug a new virtual (guest) CPU
-#
-# Mode: user, softmmu
-# Targets: all
-vcpu guest_cpu_enter(void)
-
-# trace/control.c
-
-# Hot-unplug a virtual (guest) CPU
-#
-# Mode: user, softmmu
-# Targets: all
-vcpu guest_cpu_exit(void)
-
-# hw/core/cpu.c
-
-# Reset the state of a virtual (guest) CPU
-#
-# Mode: user, softmmu
-# Targets: all
-vcpu guest_cpu_reset(void)
-
diff --git a/trace/control-target.c b/trace/control-target.c
index c0c1e23..a107529 100644
--- a/trace/control-target.c
+++ b/trace/control-target.c
@@ -144,5 +144,4 @@ void trace_init_vcpu(CPUState *vcpu)
}
}
}
- trace_guest_cpu_enter(vcpu);
}
diff --git a/trace/control.c b/trace/control.c
index 6c77cc6..d24af91 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -277,8 +277,6 @@ void trace_fini_vcpu(CPUState *vcpu)
TraceEventIter iter;
TraceEvent *ev;
- trace_guest_cpu_exit(vcpu);
-
trace_event_iter_init_all(&iter);
while ((ev = trace_event_iter_next(&iter)) != NULL) {
if (trace_event_is_vcpu(ev) &&