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Add a new test on 'perf probe' bug #302

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Empty file added tests/packages/linux_image/__init__.py
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15 changes: 15 additions & 0 deletions tests/packages/linux_image/conftest.py
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import logging
import pytest
import urllib.request

# Explicitly import package-scoped fixtures (see explanation in pkgfixtures.py)
from pkgfixtures import host_with_saved_yum_state

@pytest.fixture(scope="package")
def host_with_perf(host_with_saved_yum_state):
host = host_with_saved_yum_state

logging.info(f"Getting perf package")

host.yum_install(['perf'])
yield host
8 changes: 8 additions & 0 deletions tests/packages/linux_image/test_perf_probe.py
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# Requirements:
# From --hosts parameter:
# - host(A1): any xcp-ng host

def test_linux_image_perf_probe(host_with_perf):
host_with_perf.ssh(['perf', 'probe', '--add', 'xenbus_backend_ioctl'])
host_with_perf.ssh(['perf', 'record', '-e', 'probe:xenbus_backend_ioctl', '-aR', 'sleep', '1'])
host_with_perf.ssh(['perf', 'report'])
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Don't we want to check that perf report actually catches events, then?

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