1 files changed, 24 insertions, 13 deletions

diff --git a/tools/perf/util/bpf-loader.c b/tools/perf/util/bpf-loader.c
index 2b2c9b82f5ab..bc6bc7062eb4 100644
--- a/tools/perf/util/bpf-loader.c
+++ b/tools/perf/util/bpf-loader.c
@@ -14,11 +14,11 @@
 #include "debug.h"
 #include "bpf-loader.h"
 #include "bpf-prologue.h"
-#include "llvm-utils.h"
 #include "probe-event.h"
 #include "probe-finder.h" // for MAX_PROBES
 #include "parse-events.h"
 #include "llvm-utils.h"
+#include "c++/clang-c.h"
 
 #define DEFINE_PRINT_FN(name, level) \
 static int libbpf_##name(const char *fmt, ...)	\
@@ -86,10 +86,21 @@ struct bpf_object *bpf__prepare_load(const char *filename, bool source)
 		void *obj_buf;
 		size_t obj_buf_sz;
 
-		err = llvm__compile_bpf(filename, &obj_buf, &obj_buf_sz);
-		if (err)
-			return ERR_PTR(-BPF_LOADER_ERRNO__COMPILE);
+		perf_clang__init();
+		err = perf_clang__compile_bpf(filename, &obj_buf, &obj_buf_sz);
+		perf_clang__cleanup();
+		if (err) {
+			pr_warning("bpf: builtin compilation failed: %d, try external compiler\n", err);
+			err = llvm__compile_bpf(filename, &obj_buf, &obj_buf_sz);
+			if (err)
+				return ERR_PTR(-BPF_LOADER_ERRNO__COMPILE);
+		} else
+			pr_debug("bpf: successfull builtin compilation\n");
 		obj = bpf_object__open_buffer(obj_buf, obj_buf_sz, filename);
+
+		if (!IS_ERR(obj) && llvm_param.dump_obj)
+			llvm__dump_obj(filename, obj_buf, obj_buf_sz);
+
 		free(obj_buf);
 	} else
 		obj = bpf_object__open(filename);
@@ -241,7 +252,7 @@ parse_prog_config_kvpair(const char *config_str, struct perf_probe_event *pev)
 	int err = 0;
 
 	if (!text) {
-		pr_debug("No enough memory: dup config_str failed\n");
+		pr_debug("Not enough memory: dup config_str failed\n");
 		return ERR_PTR(-ENOMEM);
 	}
 
@@ -531,7 +542,7 @@ static int map_prologue(struct perf_probe_event *pev, int *mapping,
 
 	ptevs = malloc(array_sz);
 	if (!ptevs) {
-		pr_debug("No enough memory: alloc ptevs failed\n");
+		pr_debug("Not enough memory: alloc ptevs failed\n");
 		return -ENOMEM;
 	}
 
@@ -604,13 +615,13 @@ static int hook_load_preprocessor(struct bpf_program *prog)
 	priv->need_prologue = true;
 	priv->insns_buf = malloc(sizeof(struct bpf_insn) * BPF_MAXINSNS);
 	if (!priv->insns_buf) {
-		pr_debug("No enough memory: alloc insns_buf failed\n");
+		pr_debug("Not enough memory: alloc insns_buf failed\n");
 		return -ENOMEM;
 	}
 
 	priv->type_mapping = malloc(sizeof(int) * pev->ntevs);
 	if (!priv->type_mapping) {
-		pr_debug("No enough memory: alloc type_mapping failed\n");
+		pr_debug("Not enough memory: alloc type_mapping failed\n");
 		return -ENOMEM;
 	}
 	memset(priv->type_mapping, -1,
@@ -659,13 +670,13 @@ int bpf__probe(struct bpf_object *obj)
 
 		err = convert_perf_probe_events(pev, 1);
 		if (err < 0) {
-			pr_debug("bpf_probe: failed to convert perf probe events");
+			pr_debug("bpf_probe: failed to convert perf probe events\n");
 			goto out;
 		}
 
 		err = apply_perf_probe_events(pev, 1);
 		if (err < 0) {
-			pr_debug("bpf_probe: failed to apply perf probe events");
+			pr_debug("bpf_probe: failed to apply perf probe events\n");
 			goto out;
 		}
 
@@ -864,7 +875,7 @@ bpf_map_op_setkey(struct bpf_map_op *op, struct parse_events_term *term)
 
 		op->k.array.ranges = memdup(term->array.ranges, memsz);
 		if (!op->k.array.ranges) {
-			pr_debug("No enough memory to alloc indices for map\n");
+			pr_debug("Not enough memory to alloc indices for map\n");
 			return -ENOMEM;
 		}
 		op->key_type = BPF_MAP_KEY_RANGES;
@@ -929,7 +940,7 @@ bpf_map_priv__clone(struct bpf_map_priv *priv)
 
 	newpriv = zalloc(sizeof(*newpriv));
 	if (!newpriv) {
-		pr_debug("No enough memory to alloc map private\n");
+		pr_debug("Not enough memory to alloc map private\n");
 		return NULL;
 	}
 	INIT_LIST_HEAD(&newpriv->ops_list);
@@ -960,7 +971,7 @@ bpf_map__add_op(struct bpf_map *map, struct bpf_map_op *op)
 	if (!priv) {
 		priv = zalloc(sizeof(*priv));
 		if (!priv) {
-			pr_debug("No enough memory to alloc map private\n");
+			pr_debug("Not enough memory to alloc map private\n");
 			return -ENOMEM;
 		}
 		INIT_LIST_HEAD(&priv->ops_list);