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* Extended the debugger API by sampling-based profiling support. This is

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still pretty much work in progress.
* Introduced init_thread_debug_info() which is used instead of
  clear_thread_debug_info() when the thread is created. The latter
  requires former initialization.
* user_debug_thread_deleted() is now already invoked in thread_exit(),
  not in the undertaker.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@27531 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2008-09-15 13:36:31 +00:00
parent 243300b289
commit cbcebd3330
6 changed files with 526 additions and 24 deletions
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headers/private/kernel/user_debugger.h
+39 -2
View File
@@ -11,6 +11,17 @@
#include <arch/user_debugger.h>
#include <timer.h>
// limits
#define B_DEBUG_MAX_PROFILE_FUNCTIONS 100000
#define B_DEBUG_MIN_PROFILE_INTERVAL 1000 /* in us */
#define B_DEBUG_STACK_TRACE_DEPTH 5
struct function_profile_info;
// Team related debugging data.
//
// Locking policy:
@@ -61,6 +72,28 @@ struct thread_debug_info {
// the signals the debugger wishes not to be notified of, when they
// occur the next time
struct {
bigtime_t interval;
// sampling interval
union {
bigtime_t interval_left;
// when unscheduled: the time left of the current sampling
// interval
bigtime_t timer_end;
// when running: the absolute time the timer is supposed to go
// off
};
int32 function_count;
// number of tracked functions
struct function_profile_info* functions;
// array of tracked functions
debug_profiler_stopped* result;
// the result message to be sent to the debugger when profiling end;
// contains the current hit counts for all functions
timer* installed_timer;
// when running and being profiled: the CPU's profiling timer
} profile;
struct arch_thread_debug_info arch_info;
};
@@ -135,8 +168,8 @@ extern "C" {
void clear_team_debug_info(struct team_debug_info *info, bool initLock);
void destroy_team_debug_info(struct team_debug_info *info);
void clear_thread_debug_info(struct thread_debug_info *info,
bool dying);
void init_thread_debug_info(struct thread_debug_info *info);
void clear_thread_debug_info(struct thread_debug_info *info, bool dying);
void destroy_thread_debug_info(struct thread_debug_info *info);
void user_debug_prepare_for_exec();
@@ -159,12 +192,16 @@ void user_debug_team_deleted(team_id teamID, port_id debuggerPort);
void user_debug_update_new_thread_flags(thread_id threadID);
void user_debug_thread_created(thread_id threadID);
void user_debug_thread_deleted(team_id teamID, thread_id threadID);
void user_debug_thread_exiting(struct thread* thread);
void user_debug_image_created(const image_info *imageInfo);
void user_debug_image_deleted(const image_info *imageInfo);
void user_debug_breakpoint_hit(bool software);
void user_debug_watchpoint_hit();
void user_debug_single_stepped();
void user_debug_thread_unscheduled(struct thread* thread);
void user_debug_thread_scheduled(struct thread* thread);
// syscalls