perf hashmap: Tidy hashmap dependency

When libbpf is present the build uses definitions in libbpf hashmap.c,
however, libbpf's hashmap.h wasn't being used. Switch to using the
correct hashmap.h dependent on the define HAVE_LIBBPF_SUPPORT. This was
the original intent in:

  https://lore.kernel.org/lkml/[email protected]/

Signed-off-by: Ian Rogers <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

4 files changed, 19 insertions, 10 deletions

diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index e2052f4fed33..d657594894cf 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -27,7 +27,11 @@
 #include "util.h"
 #include "llvm-utils.h"
 #include "c++/clang-c.h"
-#include "hashmap.h"
+#ifdef HAVE_LIBBPF_SUPPORT
+#include <bpf/hashmap.h>
+#else
+#include "util/hashmap.h"
+#endif
 #include "asm/bug.h"
 
 #include <internal/xyarray.h>
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 18c3eb864d55..e1bc76ece117 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -46,7 +46,11 @@
 #include "string2.h"
 #include "memswap.h"
 #include "util.h"
-#include "hashmap.h"
+#ifdef HAVE_LIBBPF_SUPPORT
+#include <bpf/hashmap.h>
+#else
+#include "util/hashmap.h"
+#endif
 #include "pmu-hybrid.h"
 #include "off_cpu.h"
 #include "../perf-sys.h"
diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h
index bd2116983bbb..0403a92d9dcc 100644
--- a/tools/perf/util/expr.h
+++ b/tools/perf/util/expr.h
@@ -2,14 +2,11 @@
 #ifndef PARSE_CTX_H
 #define PARSE_CTX_H 1
 
-// There are fixes that need to land upstream before we can use libbpf's headers,
-// for now use our copy unconditionally, since the data structures at this point
-// are exactly the same, no problem.
-//#ifdef HAVE_LIBBPF_SUPPORT
-//#include <bpf/hashmap.h>
-//#else
+#ifdef HAVE_LIBBPF_SUPPORT
+#include <bpf/hashmap.h>
+#else
 #include "util/hashmap.h"
-//#endif
+#endif
 
 struct metric_ref;
 
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index 0882b4754fcf..ce5e9e372fc4 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -14,7 +14,11 @@
 #include "evlist.h"
 #include "evsel.h"
 #include "thread_map.h"
-#include "hashmap.h"
+#ifdef HAVE_LIBBPF_SUPPORT
+#include <bpf/hashmap.h>
+#else
+#include "util/hashmap.h"
+#endif
 #include <linux/zalloc.h>
 
 void update_stats(struct stats *stats, u64 val)