Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf updates from Thomas Gleixner:
 "Kernel:
   - Improve kallsyms coverage
   - Add x86 entry trampolines to kcore
   - Fix ARM SPE handling
   - Correct PPC event post processing

  Tools:
   - Make the build system more robust
   - Small fixes and enhancements all over the place
   - Update kernel ABI header copies
   - Preparatory work for converting libtraceevnt to a shared library
   - License cleanups"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (100 commits)
  tools arch: Update arch/x86/lib/memcpy_64.S copy used in 'perf bench mem memcpy'
  tools arch x86: Update tools's copy of cpufeatures.h
  perf python: Fix pyrf_evlist__read_on_cpu() interface
  perf mmap: Store real cpu number in 'struct perf_mmap'
  perf tools: Remove ext from struct kmod_path
  perf tools: Add gzip_is_compressed function
  perf tools: Add lzma_is_compressed function
  perf tools: Add is_compressed callback to compressions array
  perf tools: Move the temp file processing into decompress_kmodule
  perf tools: Use compression id in decompress_kmodule()
  perf tools: Store compression id into struct dso
  perf tools: Add compression id into 'struct kmod_path'
  perf tools: Make is_supported_compression() static
  perf tools: Make decompress_to_file() function static
  perf tools: Get rid of dso__needs_decompress() call in __open_dso()
  perf tools: Get rid of dso__needs_decompress() call in symbol__disassemble()
  perf tools: Get rid of dso__needs_decompress() call in read_object_code()
  tools lib traceevent: Change to SPDX License format
  perf llvm: Allow passing options to llc in addition to clang
  perf parser: Improve error message for PMU address filters
  ...

1 files changed, 24 insertions, 6 deletions

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 863b61478edd..ce501ba14b08 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -11,6 +11,7 @@
 #include "cpumap.h"
 #include "print_binary.h"
 #include "thread_map.h"
+#include "mmap.h"
 
 #if PY_MAJOR_VERSION < 3
 #define _PyUnicode_FromString(arg) \
@@ -341,7 +342,7 @@ static bool is_tracepoint(struct pyrf_event *pevent)
 static PyObject*
 tracepoint_field(struct pyrf_event *pe, struct format_field *field)
 {
-        struct pevent *pevent = field->event->pevent;
+        struct tep_handle *pevent = field->event->pevent;
         void *data = pe->sample.raw_data;
         PyObject *ret = NULL;
         unsigned long long val;
@@ -351,7 +352,7 @@ tracepoint_field(struct pyrf_event *pe, struct format_field *field)
                 offset = field->offset;
                 len    = field->size;
                 if (field->flags & FIELD_IS_DYNAMIC) {
-                        val     = pevent_read_number(pevent, data + offset, len);
+                        val     = tep_read_number(pevent, data + offset, len);
                         offset  = val;
                         len     = offset >> 16;
                         offset &= 0xffff;
@@ -364,8 +365,8 @@ tracepoint_field(struct pyrf_event *pe, struct format_field *field)
                         field->flags &= ~FIELD_IS_STRING;
                 }
         } else {
-                val = pevent_read_number(pevent, data + field->offset,
-                                         field->size);
+                val = tep_read_number(pevent, data + field->offset,
+                                      field->size);
                 if (field->flags & FIELD_IS_POINTER)
                         ret = PyLong_FromUnsignedLong((unsigned long) val);
                 else if (field->flags & FIELD_IS_SIGNED)
@@ -394,7 +395,7 @@ get_tracepoint_field(struct pyrf_event *pevent, PyObject *attr_name)
                 evsel->tp_format = tp_format;
         }
 
-        field = pevent_find_any_field(evsel->tp_format, str);
+        field = tep_find_any_field(evsel->tp_format, str);
         if (!field)
                 return NULL;
 
@@ -976,6 +977,20 @@ static PyObject *pyrf_evlist__add(struct pyrf_evlist *pevlist,
         return Py_BuildValue("i", evlist->nr_entries);
 }
 
+static struct perf_mmap *get_md(struct perf_evlist *evlist, int cpu)
+{
+        int i;
+
+        for (i = 0; i < evlist->nr_mmaps; i++) {
+                struct perf_mmap *md = &evlist->mmap[i];
+
+                if (md->cpu == cpu)
+                        return md;
+        }
+
+        return NULL;
+}
+
 static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
                                           PyObject *args, PyObject *kwargs)
 {
@@ -990,7 +1005,10 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
                                          &cpu, &sample_id_all))
                 return NULL;
 
-        md = &evlist->mmap[cpu];
+        md = get_md(evlist, cpu);
+        if (!md)
+                return NULL;
+
         if (perf_mmap__read_init(md) < 0)
                 goto end;