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-rw-r--r--test/Makefile2
-rw-r--r--test/run_tests.py21
-rwxr-xr-xtest/sys_req/dev_shm_size.sh30
3 files changed, 4 insertions, 49 deletions
diff --git a/test/Makefile b/test/Makefile
index 084fc849897..5fe86d9f401 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -193,7 +193,6 @@ PARALLEL_ILLEGAL=1
endif
sanity: test-dep verify-no-running-vpp
- @sys_req/dev_shm_size.sh
@bash -c "test $(PARALLEL_ILLEGAL) -eq 0 ||\
(echo \"*******************************************************************\" &&\
echo \"* Sanity check failed, TEST_JOBS is not 1 or 'auto' and DEBUG, STEP or PROFILE is set\" &&\
@@ -258,7 +257,6 @@ shell: test-dep
.PHONY: reset
reset:
- @rm -f /dev/shm/vpp-unittest-*
@rm -rf /tmp/vpp-unittest-*
@rm -f /tmp/api_post_mortem.*
@rm -rf $(FAILED_DIR)
diff --git a/test/run_tests.py b/test/run_tests.py
index 1a29d148d9e..59c9d83d512 100644
--- a/test/run_tests.py
+++ b/test/run_tests.py
@@ -28,12 +28,9 @@ from util import check_core_path, get_core_path, is_core_present
# timeout which controls how long the child has to finish after seeing
# a core dump in test temporary directory. If this is exceeded, parent assumes
-# that child process is stuck (e.g. waiting for shm mutex, which will never
-# get unlocked) and kill the child
+# that child process is stuck (e.g. waiting for event from vpp) and kill
+# the child
core_timeout = 3
-min_req_shm = 536870912 # min 512MB shm required
-# 128MB per extra process
-shm_per_process = 134217728
class StreamQueue(Queue):
@@ -796,10 +793,8 @@ if __name__ == '__main__':
num_cpus = len(os.sched_getaffinity(0))
except AttributeError:
num_cpus = multiprocessing.cpu_count()
- shm_free = psutil.disk_usage('/dev/shm').free
- print('OS reports %s available cpu(s). Free shm: %s' % (
- num_cpus, "{:,}MB".format(shm_free / (1024 * 1024))))
+ print("OS reports %s available cpu(s)." % num_cpus)
test_jobs = os.getenv("TEST_JOBS", "1").lower() # default = 1 process
if test_jobs == 'auto':
@@ -807,15 +802,7 @@ if __name__ == '__main__':
concurrent_tests = 1
print('Interactive mode required, running on one core')
else:
- shm_max_processes = 1
- if shm_free < min_req_shm:
- raise Exception('Not enough free space in /dev/shm. Required '
- 'free space is at least %sM.'
- % (min_req_shm >> 20))
- else:
- extra_shm = shm_free - min_req_shm
- shm_max_processes += extra_shm // shm_per_process
- concurrent_tests = min(cpu_count(), shm_max_processes)
+ concurrent_tests = num_cpus
print('Found enough resources to run tests with %s cores'
% concurrent_tests)
elif test_jobs.isdigit():
diff --git a/test/sys_req/dev_shm_size.sh b/test/sys_req/dev_shm_size.sh
deleted file mode 100755
index e1a1f2d5bd7..00000000000
--- a/test/sys_req/dev_shm_size.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/sh
-
-# this script verifies that /dev/shm is big enough for test purposes
-# 512MB seems to be enough with room to spare at the time of writing this test
-# (motivation for this check is the default docker /dev/shm size of 64M, which
-# was occasionally overrun when running the tests)
-req_min_size_megabytes=512
-
-cur_size=`df -BM --output=size /dev/shm | awk ' NR==2 { print $1 } ' | cut -f 1 -d 'M'`
-
-if test "$V" = "2"
-then
- echo -n "Checking /dev/shm size..."
-fi
-
-if test "$cur_size" -lt "$req_min_size_megabytes"
-then
- echo "/dev/shm size ${cur_size}M is too small, attempting to enlarge to ${req_min_size_megabytes}M."
- sudo mount -o remount /dev/shm -o size=512M
- cur_size=`df -BM --output=size /dev/shm | awk ' NR==2 { print $1 } ' | cut -f 1 -d 'M'`
- if test "$cur_size" -lt "$req_min_size_megabytes"
- then
- echo "Couldn't enlarge /dev/shm. Please enlarge it manually so that it's at least ${req_min_size_megabytes}M big."
- exit 1
- fi
- echo "/dev/shm successfully enlarged."
-elif test "$V" = "2"
-then
- echo "OK (current size: ${cur_size}M, required size: ${req_min_size_megabytes}M)"
-fi