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| -rw-r--r-- | chattyparser.py | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/chattyparser.py b/chattyparser.py deleted file mode 100644 index 02ac6f6..0000000 --- a/chattyparser.py +++ /dev/null @@ -1,88 +0,0 @@ -import re - -rss_re = re.compile("^VmRSS:\s+(\d+) kB$") - -ptr = "(?:0x)?(?P<ptr>(?:\w+)|(?:\(nil\)))" -size = "(?P<size>\d+)" -time = "(?P<time>\d+)" -tid = "(?P<tid>\d+)" - -malloc_re = re.compile("^{} {} ma {} {}$".format(time, tid, size, ptr)) -free_re = re.compile("^{} {} f {}$".format(time, tid, ptr)) -calloc_re = re.compile("^{} {} c (?P<nmemb>\d+) {} {}$".format(time, tid, size, ptr)) -realloc_re = re.compile("^{} {} r {} {} {}$".format(time, tid, ptr, size, ptr.replace("ptr", "nptr"))) -memalign_re = re.compile("^{} {} mm (?P<alignment>\d+) {} {}$".format(time, tid, size, ptr)) - -def analyse(path="chattymalloc.data"): - allocations = {} - requested_size = [0] - hist = {} - ln = 0 - - with open(path, "r") as f: - #Skip first empty line. See chattymalloc.c why it is there. - # for bl in f.readlines()[1:]: - for l in f.readlines(): - ln += 1 - res = malloc_re.match(l) - if res != None: - res = res.groupdict() - size = int(res["size"]) - allocations[res["ptr"]] = size - requested_size.append(requested_size[-1] + size) - - hist[size] = hist.get(size, 0) - continue - - res = free_re.match(l) - if res != None: - res = res.groupdict() - ptr = res["ptr"] - if ptr == "(nil)" or len(ptr) != 12: - continue - requested_size.append(requested_size[-1] - allocations[ptr]) - del(allocations[ptr]) - continue - - res = calloc_re.match(l) - if res != None: - res = res.groupdict() - size = int(res["nmemb"]) * int(res["size"]) - allocations[res["ptr"]] = size - requested_size.append(requested_size[-1] + size) - - hist[size] = hist.get(size, 0) - continue - - res = realloc_re.match(l) - if res != None: - res = res.groupdict() - optr, size, nptr = res["ptr"], int(res["size"]), res["nptr"] - if optr == nptr: - requested_size.append(requested_size[-1] + size - allocations[nptr]) - allocations[nptr] = size - else: - if optr in allocations: - requested_size.append(requested_size[-1] + size - allocations[optr]) - del(allocations[optr]) - else: - requested_size.append(requested_size[-1] + size) - - allocations[nptr] = size - continue - - res = memalign_re.match(l) - if res != None: - res = res.groupdict() - size, ptr = int(res["size"]), res["ptr"] - allocations[ptr] = size - requested_size.append(requested_size[-1] + size) - - hist[size] = hist.get(size, 0) - continue - - print("\ninvalid line at", ln, ":", l) - return requested_size, hist - -def hist(path="chattymalloc.data"): - return analyse(path=path)[1] |