def test_fcounters():
"""Sample for an expected property in fcounters."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_mpiio_record(log)
assert rec['fcounters'][1] == 2.04800000e+03
def test_fcounters():
"""Sample for an expected property in fcounters."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_record(log, "POSIX")
assert rec['fcounters'][0] == 3.9191410541534424
def test_counters():
"""Sample for an expected property in counters."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_record(log, "POSIX")
assert rec['counters'][0] == 2049
def test_fcounters():
"""Sample for an expected property in fcounters."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_record(log, "STDIO")
assert rec['fcounters'][3] == 0.0
def test_counters():
"""Sample for an expected property in counters."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_stdio_record(log)
assert rec['counters'][1] == 18446744073709551615
def test_repeated_access():
""" Check if repeated access is working."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_mpiio_record(log)
rec = backend.log_get_mpiio_record(log) # fetch next
assert rec is None
def test_repeated_access():
""" Check if repeated access is working."""
log = backend.log_open("tests/input/sample.darshan")
rec = backend.log_get_record(log, "STDIO")
rec = backend.log_get_record(log, "STDIO") # fetch next
assert rec['counters'][3] == 68
def test_cannotopen():
"""Ensure we do not dump core on error."""
# assert fake log file name comes back with a NULL file handle
log = backend.log_open("fake/tooth-fairy.darshan")
c_file_handle_repr = log['handle'].__repr__()
assert 'NULL' in c_file_handle_repr
# assert no record is returned using above NULL file handle
rec = backend.log_get_record(log, "MPI-IO")
assert rec == None
def open(self, filename, read_all=False):
"""
Open log file via CFFI backend.
Args:
filename (str): filename to open (optional)
read_all (bool): whether to read all records for log
Return:
None
"""
self.filename = filename
if filename:
self.log = backend.log_open(self.filename)
if not bool(self.log['handle']):
raise RuntimeError("Failed to open file.")
self.read_metadata(read_all=read_all)
if read_all:
self.read_all()
def test_dxt_records(logfile, mod, expected_dict):
# regression guard for DXT records values
logfile = os.path.join("tests/input", logfile)
log = backend.log_open(logfile)
rec = backend.log_get_record(log, mod)
assert rec == expected_dict
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import darshan.backend.cffi_backend as backend
log = backend.log_open("example.darshan")
mods = backend.log_get_modules(log)
nrecs = backend.log_get_name_records(log)
# reliable hashes: 15920181672442173319 (stdout), 14734109647742566553 (stdin), 7238257241479193519 (stderr)
selected_nrecs = backend.log_lookup_name_records(log, [15920181672442173319])