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authorAlaiaL <alejandro.leal@srs.io>2021-05-10 17:59:48 +0200
committerAlejandro Leal Conejos <alejandro.leal@srs.io>2021-06-11 08:26:58 +0200
commit855e712bc0fe3e3ae5bbdd0821ee7dfb468e357a (patch)
tree7ed0a2f0293d5f9aaa106e01a7521e2c4de01993 /src/osmo_gsm_tester
parent18cd26f58d06d4469fa6e8f2e9a0beb59f13c641 (diff)
srs-enb: adds support to the malloc interceptor.
Adds support to the malloc interceptor for the SRS eNodeB. This interceptor will generate a log file that lists the mallocs, reallocs and frees produced by the srsenb. Change-Id: I0078020468f58bdd70b0b5de879eb58192f947a6
Diffstat (limited to 'src/osmo_gsm_tester')
-rw-r--r--src/osmo_gsm_tester/obj/enb_srs.py29
-rw-r--r--src/osmo_gsm_tester/obj/run_node.py10
2 files changed, 37 insertions, 2 deletions
diff --git a/src/osmo_gsm_tester/obj/enb_srs.py b/src/osmo_gsm_tester/obj/enb_srs.py
index 69aa095..93272c4 100644
--- a/src/osmo_gsm_tester/obj/enb_srs.py
+++ b/src/osmo_gsm_tester/obj/enb_srs.py
@@ -37,6 +37,7 @@ def on_register_schemas():
schema.register_resource_schema('enb', resource_schema)
config_schema = {
+ 'enable_malloc_interceptor': schema.BOOL_STR,
'enable_pcap': schema.BOOL_STR,
'enable_tracing': schema.BOOL_STR,
'enable_ul_qam64': schema.BOOL_STR,
@@ -60,6 +61,7 @@ class srsENB(enb.eNodeB, srslte_common):
S1AP_PCAPFILE = 'srsenb_s1ap.pcap'
TRACINGFILE = 'srsenb_tracing.log'
METRICSFILE = 'srsenb_metrics.csv'
+ INTERCEPTORFILE = 'srsenb_minterceptor.log'
def __init__(self, testenv, conf):
super().__init__(testenv, conf, srsENB.BINFILE)
@@ -72,6 +74,7 @@ class srsENB(enb.eNodeB, srslte_common):
self.config_rr_file = None
self.config_drb_file = None
self.tracing_file = None
+ self.interceptor_file = None
self.log_file = None
self.pcap_file = None
self.s1ap_pcap_file = None
@@ -87,9 +90,11 @@ class srsENB(enb.eNodeB, srslte_common):
self.remote_s1ap_pcap_file = None
self.remote_tracing_file = None
self.remote_metrics_file = None
+ self.remote_interceptor_file = None
self.enable_pcap = False
self.enable_ul_qam64 = False
self.enable_tracing = False
+ self.enable_malloc_interceptor = False
self.metrics_file = None
self.have_metrics_file = False
self.stop_sleep_time = 6 # We require at most 5s to stop
@@ -134,6 +139,12 @@ class srsENB(enb.eNodeB, srslte_common):
except Exception as e:
self.log(repr(e))
+ if self.enable_malloc_interceptor:
+ try:
+ self.rem_host.scpfrom('scp-back-interceptor', self.remote_interceptor_file, self.interceptor_file)
+ except Exception as e:
+ self.log(repr(e))
+
# Collect KPIs for each TC
self.testenv.test().set_kpis(self.get_kpi_tree())
# Clean up for parent class:
@@ -244,10 +255,23 @@ class srsENB(enb.eNodeB, srslte_common):
def start_remotely(self):
remote_env = { 'LD_LIBRARY_PATH': self.remote_inst.child('lib') }
+ # Add the malloc interceptor env variable when it's required.
+ if self.enable_malloc_interceptor:
+ path = self._run_node.lib_path_malloc_interceptor()
+ if not path:
+ raise log.Error('Could not get the environment variables. Aborting')
+
+ self.log(f'Setting LD_PRELOAD var to value: {path}')
+ remote_env['LD_PRELOAD'] = path
+
remote_binary = self.remote_inst.child('bin', srsENB.BINFILE)
args = (remote_binary, self.remote_config_file)
args += tuple(self._additional_args)
+ # Force the output of the malloc interceptor to the interceptor_file.
+ if self.enable_malloc_interceptor:
+ args += tuple([f" 2> {self.remote_interceptor_file}"])
+
self.process = self.rem_host.RemoteProcessSafeExit(srsENB.BINFILE, self.remote_run_dir, args, remote_env=remote_env, wait_time_sec=7)
self.testenv.remember_to_stop(self.process)
self.process.launch()
@@ -287,6 +311,7 @@ class srsENB(enb.eNodeB, srslte_common):
self.s1ap_pcap_file = self.run_dir.child(srsENB.S1AP_PCAPFILE)
self.metrics_file = self.run_dir.child(srsENB.METRICSFILE)
self.tracing_file = self.run_dir.child(srsENB.TRACINGFILE)
+ self.interceptor_file = self.run_dir.child(srsENB.INTERCEPTORFILE)
if not self._run_node.is_local():
self.rem_host = remote.RemoteHost(self.run_dir, self._run_node.ssh_user(), self._run_node.ssh_addr())
@@ -310,6 +335,7 @@ class srsENB(enb.eNodeB, srslte_common):
self.remote_s1ap_pcap_file = self.remote_run_dir.child(srsENB.S1AP_PCAPFILE)
self.remote_metrics_file = self.remote_run_dir.child(srsENB.METRICSFILE)
self.remote_tracing_file = self.remote_run_dir.child(srsENB.TRACINGFILE)
+ self.remote_interceptor_file = self.remote_run_dir.child(srsENB.INTERCEPTORFILE)
values = super().configure(['srsenb'])
@@ -331,6 +357,9 @@ class srsENB(enb.eNodeB, srslte_common):
s1ap_pcap_filename=s1ap_pcapfile,
)))
+ # Retrieve the malloc interceptor option.
+ self.enable_malloc_interceptor = util.str2bool(values['enb'].get('enable_malloc_interceptor', 'false'))
+
# Convert parsed boolean string to Python boolean:
self.enable_pcap = util.str2bool(values['enb'].get('enable_pcap', 'false'))
config.overlay(values, dict(enb={'enable_pcap': self.enable_pcap}))
diff --git a/src/osmo_gsm_tester/obj/run_node.py b/src/osmo_gsm_tester/obj/run_node.py
index 676c262..3549fc5 100644
--- a/src/osmo_gsm_tester/obj/run_node.py
+++ b/src/osmo_gsm_tester/obj/run_node.py
@@ -30,7 +30,7 @@ class RunNode(log.Origin):
T_LOCAL = 'local'
T_REM_SSH = 'ssh'
- def __init__(self, type=None, run_addr=None, ssh_user=None, ssh_addr=None, run_label=None, label=None, ssh_port=None, adb_serial_id=None):
+ def __init__(self, type=None, run_addr=None, ssh_user=None, ssh_addr=None, run_label=None, label=None, ssh_port=None, adb_serial_id=None, lib_path_malloc_interceptor=None):
super().__init__(log.C_RUN, 'runnode')
self._type = type
self._run_addr = run_addr
@@ -40,6 +40,7 @@ class RunNode(log.Origin):
self._label = label
self._ssh_port = ssh_port
self._adb_serial_id = adb_serial_id
+ self._lib_path_malloc_interceptor = lib_path_malloc_interceptor
if not self._type:
raise log.Error('run_type not set')
if not self._run_addr:
@@ -59,7 +60,8 @@ class RunNode(log.Origin):
return cls(conf.get('run_type', None), conf.get('run_addr', None),
conf.get('ssh_user', None), conf.get('ssh_addr', None),
conf.get('run_label', None), conf.get('label', None),
- conf.get('ssh_port', None), conf.get('adb_serial_id', None))
+ conf.get('ssh_port', None), conf.get('adb_serial_id', None),
+ conf.get('lib_path_malloc_interceptor', None))
@classmethod
def schema(cls):
@@ -72,6 +74,7 @@ class RunNode(log.Origin):
'label': schema.STR,
'ssh_port': schema.STR,
'adb_serial_id': schema.STR,
+ 'lib_path_malloc_interceptor': schema.STR,
}
return resource_schema
@@ -105,4 +108,7 @@ class RunNode(log.Origin):
def adb_serial_id(self):
return self._adb_serial_id
+ def lib_path_malloc_interceptor(self):
+ return self._lib_path_malloc_interceptor
+
# vim: expandtab tabstop=4 shiftwidth=4