Revision: 931 http://trac.macosforge.org/projects/darwinbuild/changeset/931 Author: wsiegrist@apple.com Date: 2011-02-08 15:32:52 -0800 (Tue, 08 Feb 2011) Log Message: ----------- Add feature to darwintrace to ignore the ROOT paths since they cannot contribute to a projects build dependencies. Modified Paths: -------------- branches/PR-8817822/darwintrace/darwintrace.c Modified: branches/PR-8817822/darwintrace/darwintrace.c =================================================================== --- branches/PR-8817822/darwintrace/darwintrace.c 2011-02-08 20:16:29 UTC (rev 930) +++ branches/PR-8817822/darwintrace/darwintrace.c 2011-02-08 23:32:52 UTC (rev 931) @@ -89,6 +89,10 @@ "/dev/", }; +/* store root paths so we can ignore them when logging */ +static char **darwintrace_ignores = NULL; +static size_t *darwintrace_ignore_lens = NULL; + /* check if str starts with one of the exceptions */ static inline bool darwintrace_except(const char *str) { size_t c = sizeof(darwintrace_exceptions)/sizeof(*darwintrace_exceptions); @@ -155,10 +159,40 @@ dprintf("darwintrace: progname too long to copy: %s\n", *progname); } } + + /* create ignores list from root env vars */ + if (getenv("DARWINTRACE_IGNORE_ROOTS")) { + darwintrace_ignores = (char**)calloc(4, sizeof(char*)); + darwintrace_ignore_lens = (size_t*)calloc(4, sizeof(size_t)); + if (darwintrace_ignores && darwintrace_ignore_lens) { + darwintrace_ignores[0] = getenv("OBJROOT"); + if (darwintrace_ignores[0]) + darwintrace_ignore_lens[0] = strlen(darwintrace_ignores[0]); + darwintrace_ignores[1] = getenv("SRCROOT"); + if (darwintrace_ignores[1]) + darwintrace_ignore_lens[1] = strlen(darwintrace_ignores[1]); + darwintrace_ignores[2] = getenv("DSTROOT"); + if (darwintrace_ignores[2]) + darwintrace_ignore_lens[2] = strlen(darwintrace_ignores[2]); + darwintrace_ignores[3] = getenv("SYMROOT"); + if (darwintrace_ignores[3]) + darwintrace_ignore_lens[3] = strlen(darwintrace_ignores[3]); + } else { + dprintf("unable to allocate memory for darwintrace_ignores"); + } + } } /* darwintrace_setup must have been called already */ static inline void darwintrace_logpath(int fd, const char *procname, char *tag, const char *path) { + if (darwintrace_ignores) { + for (int i=0; i < 4; i++) { + if (darwintrace_ignores[i] + && strncmp(darwintrace_ignores[i], path, darwintrace_ignore_lens[i]) == 0) { + return; + } + } + } char darwintrace_buf[DARWINTRACE_BUFFER_SIZE]; int size = snprintf(darwintrace_buf, sizeof(darwintrace_buf), "%s[%d]\t%s\t%s\n",