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 <[email protected]> Reviewed-by: Richard Henderson <[email protected]> Reviewed-by: Philippe Mathieu-Daudé <[email protected]> Signed-off-by: Alex Bennée <[email protected]> Message-id: [email protected] Message-Id: <[email protected]> Signed-off-by: Stefan Hajnoczi <[email protected]>
xzpeter · Jun 1, 2023 · 78f314c · 78f314c
1 parent 2e2097b
commit 78f314c
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Showing 5 changed files with 5 additions and 36 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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
@@ -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) &&
-Original file line number
+Diff line change
@@ Expand Up / @@ -144,5 +144,4 @@ void trace_init_vcpu(CPUState *vcpu) @@
                 }
             }
         }
-        trace_guest_cpu_enter(vcpu);
     }