remove PicoDrive-specific stuff, add readme

[libpicofe.git] / linux / pprof.c

diff --git a/linux/pprof.c b/linux/pprof.c
deleted file mode 100644 (file)
index e1ecd1f..0000000
--- a/linux/pprof.c
+++ /dev/null
@@ -1,126 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-
-#include <pico/pico_int.h>
-
-struct pp_counters *pp_counters;
-static int shmemid;
-
-void pprof_init(void)
-{
-       int this_is_new_shmem = 1;
-       key_t shmemkey;
-       void *shmem;
-
-#ifndef PPROF_TOOL
-       unsigned int tmp = pprof_get_one();
-       printf("pprof: measured diff is %u\n", pprof_get_one() - tmp);
-#endif
-
-       shmemkey = ftok(".", 0x02ABC32E);
-       if (shmemkey == -1)
-       {
-               perror("pprof: ftok failed");
-               return;
-       }
-
-#ifndef PPROF_TOOL
-       shmemid = shmget(shmemkey, sizeof(*pp_counters),
-               IPC_CREAT | IPC_EXCL | 0644);
-       if (shmemid == -1)
-#endif
-       {
-               shmemid = shmget(shmemkey, sizeof(*pp_counters),
-                               0644);
-               if (shmemid == -1)
-               {
-                       perror("pprof: shmget failed");
-                       return;
-               }
-               this_is_new_shmem = 0;
-       }
-
-       shmem = shmat(shmemid, NULL, 0);
-       if (shmem == (void *)-1)
-       {
-               perror("pprof: shmat failed");
-               return;
-       }
-
-       pp_counters = shmem;
-       if (this_is_new_shmem) {
-               memset(pp_counters, 0, sizeof(*pp_counters));
-               printf("pprof: pp_counters cleared.\n");
-       }
-}
-
-void pprof_finish(void)
-{
-       shmdt(pp_counters);
-       shmctl(shmemid, IPC_RMID, NULL);
-}
-
-#ifdef PPROF_TOOL
-
-#define IT(n) { pp_##n, #n }
-static const struct {
-       enum pprof_points pp;
-       const char *name;
-} pp_tab[] = {
-       IT(main),
-       IT(frame),
-       IT(draw),
-       IT(sound),
-       IT(m68k),
-       IT(z80),
-       IT(msh2),
-       IT(ssh2),
-       IT(dummy),
-};
-
-int main(int argc, char *argv[])
-{
-       unsigned long long old[pp_total_points], new[pp_total_points];
-       int base = 0;
-       int l, i;
-
-       pprof_init();
-       if (pp_counters == NULL)
-               return 1;
-
-       if (argc >= 2)
-               base = atoi(argv[1]);
-
-       memset(old, 0, sizeof(old));
-       for (l = 0; ; l++)
-       {
-               if ((l & 0x1f) == 0) {
-                       for (i = 0; i < ARRAY_SIZE(pp_tab); i++)
-                               printf("%6s ", pp_tab[i].name);
-                       printf("\n");
-               }
-
-               memcpy(new, pp_counters->counter, sizeof(new));
-               for (i = 0; i < ARRAY_SIZE(pp_tab); i++)
-               {
-                       unsigned long long idiff = new[i] - old[i];
-                       unsigned long long bdiff = (new[base] - old[base]) | 1;
-                       printf("%6.2f ", (double)idiff * 100.0 / bdiff);
-               }
-               printf("\n");
-               memcpy(old, new, sizeof(old));
-
-               if (argc < 3)
-                       break;
-               usleep(atoi(argv[2]));
-       }
-
-       return 0;
-}
-
-#endif // PPROF_TOOL
-