perf test intel-pt: Skip jitdump test if no libelf

jitdump support is only present if building with libelf.

Skip the intel-pt jitdump test if perf isn't compiled with libelf
support.

Signed-off-by: Ian Rogers <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Alex Gaynor <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Alice Ryhl <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Andreas Hindborg <[email protected]>
Cc: Benno Lossin <[email protected]>
Cc: Björn Roy Baron <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Danilo Krummrich <[email protected]>
Cc: Dmitriy Vyukov <[email protected]>
Cc: Gary Guo <[email protected]>
Cc: Howard Chu <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: James Clark <[email protected]>
Cc: Jiapeng Chong <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephen Brennan <[email protected]>
Cc: Trevor Gross <[email protected]>
Cc: Weilin Wang <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: captain5050

tools/perf/tests/shell/test_intel_pt.sh

@@ -288,6 +288,11 @@ test_jitdump()
 	jitdump_incl_dir="${script_dir}/../../util"
 	jitdump_h="${jitdump_incl_dir}/jitdump.h"
 
+        if ! perf check feature -q libelf ; then
+		echo "SKIP: libelf is needed for jitdump"
+		return 2
+	fi
+
 	if [ ! -e "${jitdump_h}" ] ; then
 		echo "SKIP: Include file jitdump.h not found"
 		return 2