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* Added arch_debug_contains_call() function that returns wether or not

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a call chain contains a specific symbol (or address).
* Added a new KDL command "calling" that you can use to get a list of
  threads that have a specific function in their call chain.
* Removed extraneous white space.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24594 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2008-03-26 17:08:51 +00:00
parent c32f787401
commit 758962ec3b
5 changed files with 117 additions and 16 deletions
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src/system/kernel/thread.cpp
+25 -4
View File
@@ -21,6 +21,7 @@
#include <util/AutoLock.h>
#include <util/khash.h>
#include <arch/debug.h>
#include <boot/kernel_args.h>
#include <condition_variable.h>
#include <cpu.h>
@@ -624,7 +625,7 @@ thread_exit2(void *_args)
TRACE(("thread_exit2: done removing thread from lists\n"));
if (args.death_sem >= 0)
release_sem_etc(args.death_sem, 1, B_DO_NOT_RESCHEDULE);
release_sem_etc(args.death_sem, 1, B_DO_NOT_RESCHEDULE);
// notify the debugger
if (args.original_team_id >= 0
@@ -972,7 +973,7 @@ drop_into_debugger(int argc, char **argv)
kprintf("drop failed\n");
else
kprintf("thread %ld dropped into user debugger\n", id);
return 0;
}
@@ -1121,6 +1122,10 @@ dump_thread_list(int argc, char **argv)
struct thread *thread;
struct hash_iterator i;
bool realTimeOnly = false;
bool calling = false;
const char *callSymbol = NULL;
addr_t callStart = 0;
addr_t callEnd = 0;
int32 requiredState = 0;
team_id team = -1;
sem_id sem = -1;
@@ -1139,6 +1144,17 @@ dump_thread_list(int argc, char **argv)
if (sem == 0)
kprintf("ignoring invalid semaphore argument.\n");
}
} else if (!strcmp(argv[0], "calling")) {
if (argc < 2) {
kprintf("Need to give a symbol name or start and end arguments.\n");
return 0;
} else if (argc == 3) {
callStart = parse_expression(argv[1]);
callEnd = parse_expression(argv[2]);
} else
callSymbol = argv[1];
calling = true;
} else if (argc > 1) {
team = strtoul(argv[1], NULL, 0);
if (team == 0)
@@ -1152,6 +1168,8 @@ dump_thread_list(int argc, char **argv)
while ((thread = (struct thread*)hash_next(sThreadHash, &i)) != NULL) {
// filter out threads not matching the search criteria
if ((requiredState && thread->state != requiredState)
|| (calling && !arch_debug_contains_call(thread, callSymbol,
callStart, callEnd))
|| (sem > 0 && thread->sem.blocking != sem)
|| (team > 0 && thread->team->id != team)
|| (realTimeOnly && thread->priority < B_REAL_TIME_DISPLAY_PRIORITY))
@@ -1978,6 +1996,9 @@ thread_init(kernel_args *args)
" <id> - The ID of the thread.\n"
" <address> - The address of the thread structure.\n"
" <name> - The thread's name.\n", 0);
add_debugger_command_etc("calling", &dump_thread_list,
"Show all threads that have a specific address in their call chain",
"{ <symbol-pattern> | <start> <end> }\n", 0);
add_debugger_command_etc("unreal", &make_thread_unreal,
"Set realtime priority threads to normal priority",
"[ <id> ]\n"
@@ -2016,7 +2037,7 @@ status_t
thread_preboot_init_percpu(struct kernel_args *args, int32 cpuNum)
{
// set up the cpu pointer in the not yet initialized per-cpu idle thread
// so that get_current_cpu and friends will work, which is crucial for
// so that get_current_cpu and friends will work, which is crucial for
// a lot of low level routines
sIdleThreads[cpuNum].cpu = &gCPU[cpuNum];
arch_thread_set_current_thread(&sIdleThreads[cpuNum]);
@@ -2527,7 +2548,7 @@ thread_id
_user_find_thread(const char *userName)
{
char name[B_OS_NAME_LENGTH];
if (userName == NULL)
return find_thread(NULL);