diff mbox series

[17/17] cpu: Add breakpoint tracepoints

Message ID 20210701152537.3330420-18-richard.henderson@linaro.org
State New
Headers show
Series tcg: breakpoint reorg | expand

Commit Message

Richard Henderson July 1, 2021, 3:25 p.m. UTC 
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 cpu.c        | 11 ++++++++---
 trace-events |  5 +++++
 2 files changed, 13 insertions(+), 3 deletions(-)

-- 
2.25.1

Comments

Philippe Mathieu-Daudé July 1, 2021, 4:43 p.m. UTC | #1 
On 7/1/21 5:25 PM, Richard Henderson wrote:
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  cpu.c        | 11 ++++++++---

>  trace-events |  5 +++++

>  2 files changed, 13 insertions(+), 3 deletions(-)


Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
diff mbox series

Patch

diff --git a/cpu.c b/cpu.c
index 2c9da10d0f..addcb5db9c 100644
--- a/cpu.c
+++ b/cpu.c
@@ -38,6 +38,7 @@ 
 #include "exec/translate-all.h"
 #include "exec/log.h"
 #include "hw/core/accel-cpu.h"
+#include "trace/trace-root.h"
 
 uintptr_t qemu_host_page_size;
 intptr_t qemu_host_page_mask;
@@ -267,6 +268,8 @@  int cpu_breakpoint_insert(CPUState *cpu, vaddr pc, int flags,
     if (breakpoint) {
         *breakpoint = bp;
     }
+
+    trace_breakpoint_insert(cpu->cpu_index, pc, flags);
     return 0;
 }
 
@@ -285,11 +288,12 @@  int cpu_breakpoint_remove(CPUState *cpu, vaddr pc, int flags)
 }
 
 /* Remove a specific breakpoint by reference.  */
-void cpu_breakpoint_remove_by_ref(CPUState *cpu, CPUBreakpoint *breakpoint)
+void cpu_breakpoint_remove_by_ref(CPUState *cpu, CPUBreakpoint *bp)
 {
-    QTAILQ_REMOVE(&cpu->breakpoints, breakpoint, entry);
+    QTAILQ_REMOVE(&cpu->breakpoints, bp, entry);
 
-    g_free(breakpoint);
+    trace_breakpoint_remove(cpu->cpu_index, bp->pc, bp->flags);
+    g_free(bp);
 }
 
 /* Remove all matching breakpoints. */
@@ -313,6 +317,7 @@  void cpu_single_step(CPUState *cpu, int enabled)
         if (kvm_enabled()) {
             kvm_update_guest_debug(cpu, 0);
         }
+        trace_breakpoint_singlestep(cpu->cpu_index, enabled);
     }
 }
 
diff --git a/trace-events b/trace-events
index 765fe251e6..c4cca29939 100644
--- a/trace-events
+++ b/trace-events
@@ -25,6 +25,11 @@ 
 #
 # The <format-string> should be a sprintf()-compatible format string.
 
+# cpu.c
+breakpoint_insert(int cpu_index, uint64_t pc, int flags) "cpu=%d pc=0x%" PRIx64 " flags=0x%x"
+breakpoint_remove(int cpu_index, uint64_t pc, int flags) "cpu=%d pc=0x%" PRIx64 " flags=0x%x"
+breakpoint_singlestep(int cpu_index, int enabled) "cpu=%d enable=%d"
+
 # dma-helpers.c
 dma_blk_io(void *dbs, void *bs, int64_t offset, bool to_dev) "dbs=%p bs=%p offset=%" PRId64 " to_dev=%d"
 dma_aio_cancel(void *dbs) "dbs=%p"