diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/xine-engine/monitor.c | 77 |
1 files changed, 56 insertions, 21 deletions
diff --git a/src/xine-engine/monitor.c b/src/xine-engine/monitor.c index 7d9052dd7..ed490c89c 100644 --- a/src/xine-engine/monitor.c +++ b/src/xine-engine/monitor.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * - * $Id: monitor.c,v 1.3 2001/09/01 17:10:01 jkeil Exp $ + * $Id: monitor.c,v 1.4 2001/09/06 13:39:36 jkeil Exp $ * * debug print and profiling functions - implementation * @@ -27,12 +27,10 @@ #include "config.h" #endif -#include "monitor.h" #include <stdio.h> #include <sys/time.h> -#include <sys/resource.h> -#include <unistd.h> - +#include "utils.h" +#include "monitor.h" #define MAX_ID 5 @@ -40,6 +38,7 @@ long long int profiler_times[MAX_ID] ; long long int profiler_start[MAX_ID] ; +long profiler_calls[MAX_ID] ; char * profiler_label[MAX_ID] ; void profiler_init () { @@ -47,6 +46,7 @@ void profiler_init () { for (i=0; i<MAX_ID; i++) { profiler_times[i] = 0; profiler_start[i] = 0; + profiler_calls[i] = 0; profiler_label[i] = NULL; } } @@ -55,33 +55,68 @@ void profiler_set_label (int id, char *label) { profiler_label[id] = label; } -void profiler_start_count (int id) { - - struct rusage usage ; - - getrusage (RUSAGE_SELF, &usage); +#ifdef ARCH_X86 +__inline__ unsigned long long int rdtsc() +{ + unsigned long long int x; + __asm__ volatile (".byte 0x0f, 0x31" : "=A" (x)); + return x; +} +#endif - profiler_start[id] = (long long int) usage.ru_utime.tv_sec * 1e6 + usage.ru_utime.tv_usec + (long long int) usage.ru_stime.tv_sec * 1e6 + usage.ru_stime.tv_usec; +void profiler_start_count (int id) { +#ifdef ARCH_X86 + profiler_start[id] = rdtsc(); +#endif } void profiler_stop_count (int id) { - - struct rusage usage ; - - getrusage (RUSAGE_SELF, &usage); - - profiler_times[id] += (long long int) usage.ru_utime.tv_sec * 1e6 + usage.ru_utime.tv_usec + (long long int) usage.ru_stime.tv_sec * 1e6 + usage.ru_stime.tv_usec - profiler_start[id]; +#ifdef ARCH_X86 + profiler_times[id] += rdtsc() - profiler_start[id]; +#endif + profiler_calls[id]++; } void profiler_print_results () { int i; - printf ("\n\nPerformance analysis (usec):\n\n"); +#ifdef ARCH_X86 + static long long int cpu_speed; /* cpu cyles/usec */ + if (!cpu_speed) { + long long int tsc_start, tsc_end; + struct timeval tv_start, tv_end; + + tsc_start = rdtsc(); + gettimeofday(&tv_start, NULL); + + xine_usec_sleep(100000); + + tsc_end = rdtsc(); + gettimeofday(&tv_end, NULL); + + cpu_speed = (tsc_end - tsc_start) / + ((tv_end.tv_sec - tv_start.tv_sec) * 1e6 + + tv_end.tv_usec - tv_start.tv_usec); + } +#endif + + printf ("\n\nPerformance analysis:\n\n" + "%-3s %-24.24s %12s %9s %12s %9s\n" + "----------------------------------------------------------------------------\n", + "ID", "name", "cpu cycles", "calls", "cycles/call", "usec/call"); for (i=0; i<MAX_ID; i++) { - if (profiler_label[i]) - printf ("%d:\t%s\t%12lld\n", i, profiler_label[i], profiler_times[i]); + if (profiler_label[i]) { + printf ("%2d: %-24.24s %12lld %9ld", + i, profiler_label[i], profiler_times[i], profiler_calls[i]); + if (profiler_calls[i]) { + printf(" %12lld", profiler_times[i] / profiler_calls[i]); +#ifdef ARCH_X86 + printf(" %9lld", profiler_times[i] / (cpu_speed * profiler_calls[i])); +#endif + } + printf ("\n"); + } } } #endif - |