@@ -55,6 +55,11 @@ args.add_argument("-k", "--vmlinux",
args.add_argument("-d", "--objdump", nargs="?", const=default_objdump(),
help="Show disassembly. Can also be used to change the objdump path"),
args.add_argument("-v", "--verbose", action="store_true", help="Enable debugging log")
+args.add_argument("--start-time", type=int, help="Time of sample to start from")
+args.add_argument("--stop-time", type=int, help="Time of sample to stop at")
+args.add_argument("--start-sample", type=int, help="Index of sample to start from")
+args.add_argument("--stop-sample", type=int, help="Index of sample to stop at")
+
options = args.parse_args()
# Initialize global dicts and regular expression
@@ -63,6 +68,7 @@ cpu_data = dict()
disasm_re = re.compile(r"^\s*([0-9a-fA-F]+):")
disasm_func_re = re.compile(r"^\s*([0-9a-fA-F]+)\s.*:")
cache_size = 64*1024
+sample_idx = -1
glb_source_file_name = None
glb_line_number = None
@@ -151,10 +157,10 @@ def print_disam(dso_fname, dso_start, start_addr, stop_addr):
def print_sample(sample):
print("Sample = { cpu: %04d addr: 0x%016x phys_addr: 0x%016x ip: 0x%016x " \
- "pid: %d tid: %d period: %d time: %d }" % \
+ "pid: %d tid: %d period: %d time: %d index: %d}" % \
(sample['cpu'], sample['addr'], sample['phys_addr'], \
sample['ip'], sample['pid'], sample['tid'], \
- sample['period'], sample['time']))
+ sample['period'], sample['time'], sample_idx))
def trace_begin():
print('ARM CoreSight Trace Data Assembler Dump')
@@ -216,6 +222,7 @@ def print_srccode(comm, param_dict, sample, symbol, dso):
def process_event(param_dict):
global cache_size
global options
+ global sample_idx
sample = param_dict["sample"]
comm = param_dict["comm"]
@@ -231,6 +238,17 @@ def process_event(param_dict):
ip = sample["ip"]
addr = sample["addr"]
+ sample_idx += 1
+
+ if (options.start_time and sample["time"] < options.start_time):
+ return
+ if (options.stop_time and sample["time"] > options.stop_time):
+ exit(0)
+ if (options.start_sample and sample_idx < options.start_sample):
+ return
+ if (options.stop_sample and sample_idx > options.stop_sample):
+ exit(0)
+
if (options.verbose == True):
print("Event type: %s" % name)
print_sample(sample)
Make it possible to only disassemble a range of timestamps or sample indexes. This will be used by the test to limit the runtime, but it's also useful for users. Signed-off-by: James Clark <james.clark@linaro.org> --- .../scripts/python/arm-cs-trace-disasm.py | 22 +++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-)