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authorJakub Kicinski <kuba@kernel.org>2026-02-26 21:20:47 +0300
committerJakub Kicinski <kuba@kernel.org>2026-02-26 21:23:00 +0300
commit0314e382cf02983eb3c33ac537ad9701e7858bc9 (patch)
tree3f74249b7d05f4e08542675a4dc0f173a2aa43b9 /tools/perf/tests/shell/script_python.sh
parent4916f2e2f3fc9aef289fcd07949301e5c29094c2 (diff)
parentb9c8fc2caea6ff7e45c6942de8fee53515c66b34 (diff)
downloadlinux-0314e382cf02983eb3c33ac537ad9701e7858bc9.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-7.0-rc2). Conflicts: tools/testing/selftests/drivers/net/hw/rss_ctx.py 19c3a2a81d2b ("selftests: drv-net: rss: Generate unique ports for RSS context tests") ce5a0f4612db ("selftests: drv-net: rss_ctx: test RSS contexts persist after ifdown/up") include/net/inet_connection_sock.h 858d2a4f67ff6 ("tcp: fix potential race in tcp_v6_syn_recv_sock()") fcd3d039fab69 ("tcp: make tcp_v{4,6}_send_check() static") https://lore.kernel.org/aZ8PSFLzBrEU3I89@sirena.org.uk drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c 69050f8d6d075 ("treewide: Replace kmalloc with kmalloc_obj for non-scalar types") bf4afc53b77ae ("Convert 'alloc_obj' family to use the new default GFP_KERNEL argument") 8a96b9144f18a ("net/mlx5e: Alloc xsk channel param out of mlx5e_open_xsk()") Adjacent changes: net/netfilter/ipvs/ip_vs_ctl.c c59bd9e62e06 ("ipvs: use more counters to avoid service lookups") bf4afc53b77a ("Convert 'alloc_obj' family to use the new default GFP_KERNEL argument") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/tests/shell/script_python.sh')
-rwxr-xr-xtools/perf/tests/shell/script_python.sh113
1 files changed, 113 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/script_python.sh b/tools/perf/tests/shell/script_python.sh
new file mode 100755
index 000000000000..6bc66074a31f
--- /dev/null
+++ b/tools/perf/tests/shell/script_python.sh
@@ -0,0 +1,113 @@
+#!/bin/bash
+# perf script python tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+# set PERF_EXEC_PATH to find scripts in the source directory
+perfdir=$(dirname "$0")/../..
+if [ -e "$perfdir/scripts/python/Perf-Trace-Util" ]; then
+ export PERF_EXEC_PATH=$perfdir
+fi
+
+
+perfdata=$(mktemp /tmp/__perf_test_script_python.perf.data.XXXXX)
+generated_script=$(mktemp /tmp/__perf_test_script.XXXXX.py)
+
+cleanup() {
+ rm -f "${perfdata}"
+ rm -f "${generated_script}"
+ trap - EXIT TERM INT
+}
+
+trap_cleanup() {
+ echo "Unexpected signal in ${FUNCNAME[1]}"
+ cleanup
+ exit 1
+}
+trap trap_cleanup TERM INT
+trap cleanup EXIT
+
+check_python_support() {
+ if perf check feature -q libpython; then
+ return 0
+ fi
+ echo "perf script python test [Skipped: no libpython support]"
+ return 2
+}
+
+test_script() {
+ local event_name=$1
+ local expected_output=$2
+ local record_opts=$3
+
+ echo "Testing event: $event_name"
+
+ # Try to record. If this fails, it might be permissions or lack of
+ # support. Return 2 to indicate "skip this event" rather than "fail
+ # test".
+ if ! perf record -o "${perfdata}" -e "$event_name" $record_opts -- perf test -w thloop > /dev/null 2>&1; then
+ echo "perf script python test [Skipped: failed to record $event_name]"
+ return 2
+ fi
+
+ echo "Generating python script..."
+ if ! perf script -i "${perfdata}" -g "${generated_script}"; then
+ echo "perf script python test [Failed: script generation for $event_name]"
+ return 1
+ fi
+
+ if [ ! -f "${generated_script}" ]; then
+ echo "perf script python test [Failed: script not generated for $event_name]"
+ return 1
+ fi
+
+ # Perf script -g python doesn't generate process_event for generic
+ # events so append it manually to test that the callback works.
+ if ! grep -q "def process_event" "${generated_script}"; then
+ cat <<EOF >> "${generated_script}"
+
+def process_event(param_dict):
+ print("param_dict: %s" % param_dict)
+EOF
+ fi
+
+ echo "Executing python script..."
+ output=$(perf script -i "${perfdata}" -s "${generated_script}" 2>&1)
+
+ if echo "$output" | grep -q "$expected_output"; then
+ echo "perf script python test [Success: $event_name triggered $expected_output]"
+ return 0
+ else
+ echo "perf script python test [Failed: $event_name did not trigger $expected_output]"
+ echo "Output was:"
+ echo "$output" | head -n 20
+ return 1
+ fi
+}
+
+check_python_support || exit 2
+
+# Try tracepoint first
+test_script "sched:sched_switch" "sched__sched_switch" "-c 1" && res=0 || res=$?
+
+if [ $res -eq 0 ]; then
+ exit 0
+elif [ $res -eq 1 ]; then
+ exit 1
+fi
+
+# If tracepoint skipped (res=2), try task-clock
+# For generic events like task-clock, the generated script uses process_event()
+# which prints the param_dict.
+test_script "task-clock" "param_dict" "-c 100" && res=0 || res=$?
+
+if [ $res -eq 0 ]; then
+ exit 0
+elif [ $res -eq 1 ]; then
+ exit 1
+fi
+
+# If both skipped
+echo "perf script python test [Skipped: Could not record tracepoint or task-clock]"
+exit 2