Merge tag 'perf-tools-for-v5.19-2022-05-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull more perf tools updates from Arnaldo Carvalho de Melo:

 - Add BPF based off-CPU profiling

 - Improvements for system wide recording, specially for Intel PT

 - Improve DWARF unwinding on arm64

 - Support Arm CoreSight trace data disassembly in 'perf script' python

 - Fix build with new libbpf version, related to supporting older
   versions of distro released libbpf packages

 - Fix event syntax error caused by ExtSel in the JSON events infra

 - Use stdio interface if slang is not supported in 'perf c2c'

 - Add 'perf test' checking for perf stat CSV output

 - Sync the msr-index.h copy with the kernel sources

* tag 'perf-tools-for-v5.19-2022-05-28' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (38 commits)
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf scripts python: Support Arm CoreSight trace data disassembly
  perf scripting python: Expose dso and map information
  perf jevents: Fix event syntax error caused by ExtSel
  perf tools arm64: Add support for VG register
  perf unwind arm64: Decouple Libunwind register names from Perf
  perf unwind: Use dynamic register set for DWARF unwind
  perf tools arm64: Copy perf_regs.h from the kernel
  perf unwind arm64: Use perf's copy of kernel headers
  perf c2c: Use stdio interface if slang is not supported
  perf test: Add a basic offcpu profiling test
  perf record: Add cgroup support for off-cpu profiling
  perf record: Handle argument change in sched_switch
  perf record: Implement basic filtering for off-cpu
  perf record: Enable off-cpu analysis with BPF
  perf report: Do not extend sample type of bpf-output event
  perf test: Add checking for perf stat CSV output.
  perf tools: Allow system-wide events to keep their own threads
  perf tools: Allow system-wide events to keep their own CPUs
  libperf evsel: Add comments for booleans
  ...

8 files changed, 68 insertions, 2 deletions

diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index c6a48d0ef9ff..888a0421d43b 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -99,6 +99,10 @@ FEATURE_TESTS_EXTRA :=                  \
          clang                          \
          libbpf                         \
          libbpf-btf__load_from_kernel_by_id \
+         libbpf-bpf_prog_load           \
+         libbpf-bpf_object__next_program \
+         libbpf-bpf_object__next_map    \
+         libbpf-bpf_create_map		\
          libpfm4                        \
          libdebuginfod			\
          clang-bpf-co-re
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index cb4a2a4fa2e4..7c2a17e23c30 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -58,6 +58,11 @@ FILES=                                          \
          test-bpf.bin                           \
          test-libbpf.bin                        \
          test-libbpf-btf__load_from_kernel_by_id.bin	\
+         test-libbpf-bpf_prog_load.bin          \
+         test-libbpf-bpf_map_create.bin		\
+         test-libbpf-bpf_object__next_program.bin \
+         test-libbpf-bpf_object__next_map.bin   \
+         test-libbpf-btf__raw_data.bin          \
          test-get_cpuid.bin                     \
          test-sdt.bin                           \
          test-cxx.bin                           \
@@ -291,6 +296,21 @@ $(OUTPUT)test-libbpf.bin:
 $(OUTPUT)test-libbpf-btf__load_from_kernel_by_id.bin:
 	$(BUILD) -lbpf
 
+$(OUTPUT)test-libbpf-bpf_prog_load.bin:
+	$(BUILD) -lbpf
+
+$(OUTPUT)test-libbpf-bpf_map_create.bin:
+	$(BUILD) -lbpf
+
+$(OUTPUT)test-libbpf-bpf_object__next_program.bin:
+	$(BUILD) -lbpf
+
+$(OUTPUT)test-libbpf-bpf_object__next_map.bin:
+	$(BUILD) -lbpf
+
+$(OUTPUT)test-libbpf-btf__raw_data.bin:
+	$(BUILD) -lbpf
+
 $(OUTPUT)test-sdt.bin:
 	$(BUILD)
 
diff --git a/tools/build/feature/test-libbpf-bpf_map_create.c b/tools/build/feature/test-libbpf-bpf_map_create.c
new file mode 100644
index 000000000000..b9f550e332c8
--- /dev/null
+++ b/tools/build/feature/test-libbpf-bpf_map_create.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <bpf/bpf.h>
+
+int main(void)
+{
+	return bpf_map_create(0 /* map_type */, NULL /* map_name */, 0, /* key_size */,
+			      0 /* value_size */, 0 /* max_entries */, NULL /* opts */);
+}
diff --git a/tools/build/feature/test-libbpf-bpf_object__next_map.c b/tools/build/feature/test-libbpf-bpf_object__next_map.c
new file mode 100644
index 000000000000..64adb519e97e
--- /dev/null
+++ b/tools/build/feature/test-libbpf-bpf_object__next_map.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <bpf/libbpf.h>
+
+int main(void)
+{
+	bpf_object__next_map(NULL /* obj */, NULL /* prev */);
+	return 0;
+}
diff --git a/tools/build/feature/test-libbpf-bpf_object__next_program.c b/tools/build/feature/test-libbpf-bpf_object__next_program.c
new file mode 100644
index 000000000000..8bf4fd26b545
--- /dev/null
+++ b/tools/build/feature/test-libbpf-bpf_object__next_program.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <bpf/libbpf.h>
+
+int main(void)
+{
+	bpf_object__next_program(NULL /* obj */, NULL /* prev */);
+	return 0;
+}
diff --git a/tools/build/feature/test-libbpf-bpf_prog_load.c b/tools/build/feature/test-libbpf-bpf_prog_load.c
new file mode 100644
index 000000000000..47f516d63ebc
--- /dev/null
+++ b/tools/build/feature/test-libbpf-bpf_prog_load.c
@@ -0,0 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <bpf/bpf.h>
+
+int main(void)
+{
+	return bpf_prog_load(0 /* prog_type */, NULL /* prog_name */,
+			     NULL /* license */, NULL /* insns */,
+			     0 /* insn_cnt */, NULL /* opts */);
+}
diff --git a/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c b/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c
index f7c084428735..a17647f7d5a4 100644
--- a/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c
+++ b/tools/build/feature/test-libbpf-btf__load_from_kernel_by_id.c
@@ -1,7 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0
-#include <bpf/libbpf.h>
+#include <bpf/btf.h>
 
 int main(void)
 {
-	return btf__load_from_kernel_by_id(20151128, NULL);
+	btf__load_from_kernel_by_id(20151128);
+	return 0;
 }
diff --git a/tools/build/feature/test-libbpf-btf__raw_data.c b/tools/build/feature/test-libbpf-btf__raw_data.c
new file mode 100644
index 000000000000..57da31dd7581
--- /dev/null
+++ b/tools/build/feature/test-libbpf-btf__raw_data.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <bpf/btf.h>
+
+int main(void)
+{
+	btf__raw_data(NULL /* btf_ro */, NULL /* size */);
+	return 0;
+}