add performance logging

hash.c

@@ -15,41 +15,49 @@
 static uint64_t
 murmur64(uint64_t k)
 {
+  PS();
   k ^= k >> 33;
   k *= 0xff51afd7ed558ccdLLU;
   k ^= k >> 33;
   k *= 0xc4ceb9fe1a85ec53LLU;
   k ^= k >> 33;
 
+  PE();
   return k;
 }
 
 uint64_t
 generate_hash(git_repository *repo)
 {
+  PS();
   struct stat dir, index;
   char path[PATH_MAX] = { 0 };
 
   const char *gitpath = git_repository_path(repo);
   if (strlen(gitpath) + strlen("/..") > PATH_MAX - 1) {
     L("strlen: %s", strerror(errno));
+    PE();
     return -1;
   }
 
   strcat(path, gitpath);
   if (stat(path, &index) < 0) {
+    PE();
     return -1;
   }
   strcat(path, "/..");
   if (stat(path, &dir) < 0) {
+    PE();
     return -1;
   }
+  PE();
   return murmur64(dir.st_mtim.tv_nsec ^ index.st_mtim.tv_nsec);
 }
 
 repohash
 *read_hash(git_repository *repo)
 {
+  PS();
   FILE *f;
   uint64_t data;
   uint8_t changes;
@@ -59,6 +67,7 @@ repohash
   const char *gitpath = git_repository_path(repo);
   if (strlen(gitpath) + strlen(XD_HASH_PATH) > PATH_MAX - 1) {
     L("strlen: %s", strerror(errno));
+    PE();
     return NULL;
   }
   strcat(path, gitpath);
@@ -67,39 +76,46 @@ repohash
   f = fopen(path, "r");
   if (!f) {
     L("fopen: %s", strerror(errno));
+    PE();
     return NULL;
   }
 
   if (fread(&data, sizeof(uint64_t), 1, f) != 1) {
     L("fread: %s", strerror(errno));
+    PE();
     return NULL;
   }
 
   if (fseek(f, sizeof(uint64_t), SEEK_SET) < 0) {
     L("fseek: %s", strerror(errno));
+    PE();
     return NULL;
   }
 
   if (fread(&changes, sizeof(uint8_t), 1, f) != 1) {
     L("fread: %s", strerror(errno));
+    PE();
     return NULL;
   }
   fclose(f);
 
   hash->hash = data;
   hash->changes = changes;
+  PE();
   return hash;
 }
 
 int
 write_hash(git_repository *repo, repohash hash)
 {
+  PS();
   FILE *f;
   char path[PATH_MAX] = { 0 };
 
   const char *gitpath = git_repository_path(repo);
   if (strlen(gitpath) + strlen(XD_HASH_PATH) > PATH_MAX - 1) {
     L("strlen: %s", strerror(errno));
+    PE();
     return 1;
   }
   strcat(path, gitpath);
@@ -108,25 +124,30 @@ write_hash(git_repository *repo, repohash hash)
   f = fopen(path, "wb");
   if (!f) {
     L("fopen: %s", strerror(errno));
+    PE();
     return 1;
   }
 
   if (fwrite(&hash.hash, sizeof(uint64_t), 1, f) != 1) {
     L("fwrite: %s", strerror(errno));
+    PE();
     return 1;
   }
 
   if (fseek(f, sizeof(uint64_t), SEEK_SET) < 0) {
     L("fseek: %s", strerror(errno));
+    PE();
     return 1;
   }
 
   if (fwrite(&hash.changes, sizeof(uint8_t), 1, f) != 1) {
     L("fwrite: %s", strerror(errno));
+    PE();
     return 1;
   }
 
   fclose(f);
+  PE();
   return 0;
 }
 #endif