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Commit FS#9170 by Dave Hooper. Adds support for profiling on ARM, and fixes various issues with compiling profile builds. Also, note that profile_reader.pl syntax has changed.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18142 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Giacomelli 2008-07-28 22:43:41 +00:00
parent c323d533c2
commit 52bdcbae85
7 changed files with 52 additions and 28 deletions
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23
firmware/profile.c
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@ -62,7 +62,6 @@
#include <sys/types.h>
#include "profile.h"
/* PFD is Profiled Function Data */
/* Indices are shorts which means that we use 4k of RAM */
@ -75,7 +74,7 @@
* for profiling, and allows for profiling sections of code with up-to
* 1024 function caller->callee pairs
*/
#define NUMPFDS 1024
#define NUMPFDS 512
struct pfd_struct {
void *self_pc;
@ -141,7 +140,7 @@ void profile_thread_started(int current_thread) {
if (profiling < PROF_ERROR) {
/* After we de-mask, if profiling is active, reactivate the timer */
timer_register(0, profile_timer_unregister,
TIMER_FREQ/10000, 0, profile_timer_tick);
TIMER_FREQ/10000, 0, profile_timer_tick IF_COP(, 0 ) );
}
}
}
@ -168,9 +167,9 @@ void profstart(int current_thread) {
last_pfd = (struct pfd_struct*)0;
pfds[0].link = 0;
pfds[0].self_pc = 0;
memset(&indices,0,INDEX_SIZE * sizeof(unsigned short));
memset(indices,0,INDEX_SIZE * sizeof(unsigned short));
timer_register(
0, profile_timer_unregister, TIMER_FREQ/10000, 0, profile_timer_tick);
0, profile_timer_unregister, TIMER_FREQ/10000, 0, profile_timer_tick IF_COP(, 0 ) );
profiling = PROF_ON;
}
@ -179,7 +178,7 @@ static void write_function_recursive(int fd, struct pfd_struct *pfd, int depth){
fdprintf(fd,"0x%08lX\t%08ld\t%08ld\t%04d\n", (size_t)pfd->self_pc,
pfd->count, pfd->time, depth);
if (link > 0 && link < NUMPFDS) {
write_function_recursive(fd, &pfds[link], depth++);
write_function_recursive(fd, &pfds[link], ++depth);
}
}
@ -206,7 +205,7 @@ void profstop() {
}
}
fdprintf(fd,"DEBUG PROFILE DATA FOLLOWS\n");
fdprintf(fd,"INDEX\tLOCATION\tSELF_PC\t\tCOUNT\t\tTIME\t\tLINK\tCALLER\n");
fdprintf(fd,"INDEX\tLOCATION\tSELF_PC\t\tCOUNT\t\tTIME\t\tLINK\tCALLER_IDX\n");
for (i = 0; i < NUMPFDS; i++) {
struct pfd_struct *my_last_pfd = &pfds[i];
if (my_last_pfd->self_pc != 0) {
@ -214,7 +213,7 @@ void profstop() {
"%04d\t0x%08lX\t0x%08lX\t0x%08lX\t0x%08lX\t%04d\t0x%08lX\n",
i, (size_t)my_last_pfd, (size_t)my_last_pfd->self_pc,
my_last_pfd->count, my_last_pfd->time, my_last_pfd->link,
(size_t)my_last_pfd->caller);
(size_t)my_last_pfd->caller );
}
}
fdprintf(fd,"INDEX_ADDRESS=INDEX\n");
@ -224,7 +223,7 @@ void profstop() {
close(fd);
}
void profile_func_exit(void *self_pc, void *call_site) {
void __cyg_profile_func_exit(void *self_pc, void *call_site) {
(void)call_site;
(void)self_pc;
/* When we started timing, we set the time to the tick at that time
@ -255,7 +254,7 @@ void profile_func_exit(void *self_pc, void *call_site) {
pfd = &pfds[temp];\
pfd->self_pc = self_pc; pfd->count = 1; pfd->time = 0
void profile_func_enter(void *self_pc, void *from_pc) {
void __cyg_profile_func_enter(void *self_pc, void *from_pc) {
struct pfd_struct *pfd;
struct pfd_struct *prev_pfd;
unsigned short *pfd_index_pointer;
@ -339,3 +338,7 @@ overflow:
profiling = PROF_ERROR;
return;
}