cellular-infrastructure
/
osmo-gsm-tester
mirror of https://gerrit.osmocom.org/osmo-gsm-tester
9
0
Fork 0
Code Issues Releases Wiki Activity

enb_srs: add support for eNB traces 

this patch adds support for srsENB event tracing. it provides
a cfg scenario to enable it.

Change-Id: Icb2342acac5db87a0889cbf1b6c7bb1ad26c16fa
This commit is contained in:
AlaiaL 2021-03-16 14:53:45 +01:00 committed by Andre Puschmann
parent c7737e6388
commit a17140fee4
4 changed files with 59 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/osmo_gsm_tester/obj/enb_srs.py
View File

@ -31,6 +31,7 @@ from ..core import schema
def on_register_schemas():
config_schema = {
'enable_pcap': schema.BOOL_STR,
'enable_tracing': schema.BOOL_STR,
'enable_ul_qam64': schema.BOOL_STR,
'log_all_level': schema.STR,
}
@ -49,6 +50,8 @@ class srsENB(enb.eNodeB, srslte_common):
CFGFILE_DRB = 'srsenb_drb.conf'
LOGFILE = 'srsenb.log'
PCAPFILE = 'srsenb.pcap'
TRACINGFILE = 'srsenb_tracing.log'
METRICSFILE = 'srsenb_metrics.csv'
def __init__(self, testenv, conf):
super().__init__(testenv, conf, srsENB.BINFILE)
@ -60,6 +63,7 @@ class srsENB(enb.eNodeB, srslte_common):
self.config_sib_file = None
self.config_rr_file = None
self.config_drb_file = None
self.tracing_file = None
self.log_file = None
self.pcap_file = None
self.process = None
@ -71,9 +75,13 @@ class srsENB(enb.eNodeB, srslte_common):
self.remote_config_drb_file = None
self.remote_log_file = None
self.remote_pcap_file = None
self.remote_tracing_file = None
self.remote_metrics_file = None
self.enable_pcap = False
self.enable_ul_qam64 = False
self.enable_tracing = False
self.metrics_file = None
self.have_metrics_file = False
self.stop_sleep_time = 6 # We require at most 5s to stop
self.testenv = testenv
self._additional_args = []
@ -89,6 +97,9 @@ class srsENB(enb.eNodeB, srslte_common):
# Make sure we give the UE time to tear down
self.sleep_after_stop()
# copy back files (may not exist, for instance if there was an early error of process):
self.scp_back_metrics(raiseException=False)
# copy back files (may not exist, for instance if there was an early error of process):
try:
self.rem_host.scpfrom('scp-back-log', self.remote_log_file, self.log_file)
@ -99,12 +110,40 @@ class srsENB(enb.eNodeB, srslte_common):
self.rem_host.scpfrom('scp-back-pcap', self.remote_pcap_file, self.pcap_file)
except Exception as e:
self.log(repr(e))
if self.enable_tracing:
try:
self.rem_host.scpfrom('scp-back-tracing', self.remote_tracing_file, self.tracing_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:
super().cleanup()
def scp_back_metrics(self, raiseException=True):
''' Copy back metrics only if they have not been copied back yet '''
if not self.have_metrics_file:
# file is not properly flushed until the process has stopped.
if self.running():
self.stop()
# only SCP back if not running locally
if not self._run_node.is_local():
try:
self.rem_host.scpfrom('scp-back-metrics', self.remote_metrics_file, self.metrics_file)
except Exception as e:
if raiseException:
self.err('Failed copying back metrics file from remote host')
raise e
else:
# only log error
self.log(repr(e))
# make sure to only call it once
self.have_metrics_file = True
else:
self.dbg('Metrics have already been copied back')
def start(self, epc):
self.log('Starting srsENB')
self._epc = epc
@ -165,6 +204,8 @@ class srsENB(enb.eNodeB, srslte_common):
self.config_drb_file = self.run_dir.child(srsENB.CFGFILE_DRB)
self.log_file = self.run_dir.child(srsENB.LOGFILE)
self.pcap_file = self.run_dir.child(srsENB.PCAPFILE)
self.metrics_file = self.run_dir.child(srsENB.METRICSFILE)
self.tracing_file = self.run_dir.child(srsENB.TRACINGFILE)
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())
@ -178,15 +219,21 @@ class srsENB(enb.eNodeB, srslte_common):
self.remote_config_drb_file = self.remote_run_dir.child(srsENB.CFGFILE_DRB)
self.remote_log_file = self.remote_run_dir.child(srsENB.LOGFILE)
self.remote_pcap_file = self.remote_run_dir.child(srsENB.PCAPFILE)
self.remote_metrics_file = self.remote_run_dir.child(srsENB.METRICSFILE)
self.remote_tracing_file = self.remote_run_dir.child(srsENB.TRACINGFILE)
values = super().configure(['srsenb'])
metricsfile = self.metrics_file if self._run_node.is_local() else self.remote_metrics_file
tracingfile = self.tracing_file if self._run_node.is_local() else self.remote_tracing_file
sibfile = self.config_sib_file if self._run_node.is_local() else self.remote_config_sib_file
rrfile = self.config_rr_file if self._run_node.is_local() else self.remote_config_rr_file
drbfile = self.config_drb_file if self._run_node.is_local() else self.remote_config_drb_file
logfile = self.log_file if self._run_node.is_local() else self.remote_log_file
pcapfile = self.pcap_file if self._run_node.is_local() else self.remote_pcap_file
config.overlay(values, dict(enb=dict(sib_filename=sibfile,
config.overlay(values, dict(enb=dict(metrics_filename=metricsfile,
tracing_filename=tracingfile,
sib_filename=sibfile,
rr_filename=rrfile,
drb_filename=drbfile,
log_filename=logfile,
@ -197,6 +244,9 @@ class srsENB(enb.eNodeB, srslte_common):
self.enable_pcap = util.str2bool(values['enb'].get('enable_pcap', 'false'))
config.overlay(values, dict(enb={'enable_pcap': self.enable_pcap}))
self.enable_tracing = util.str2bool(values['enb'].get('enable_tracing', 'false'))
config.overlay(values, dict(enb={'enable_tracing': self.enable_tracing}))
self.enable_ul_qam64 = util.str2bool(values['enb'].get('enable_ul_qam64', 'false'))
config.overlay(values, dict(enb={'enable_ul_qam64': self.enable_ul_qam64}))

6
src/osmo_gsm_tester/templates/srsenb.conf.tmpl
View File

@ -278,8 +278,10 @@ nof_prach_threads = 0
#pusch_8bit_decoder = false
#nof_phy_threads = 3
#metrics_period_secs = 1
#metrics_csv_enable = false
#metrics_csv_filename = /tmp/enb_metrics.csv
metrics_csv_enable = true
metrics_csv_filename = ${enb.metrics_filename}
tracing_enable = ${enb.enable_tracing}
tracing_filename = ${enb.tracing_filename}
#pregenerate_signals = false
#tx_amplitude = 0.6
#link_failure_nof_err = 50

1
sysmocom/defaults.conf
View File

@ -158,6 +158,7 @@ enb:
srsenb:
num_prb: 100
enable_pcap: false
enable_tracing: false
tx_gain: 80
rx_gain: 40
log_all_level: warning

3
sysmocom/scenarios/cfg-enb-tracing.conf Normal file
View File

@ -0,0 +1,3 @@
config:
enb:
enable_tracing: true