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-rw-r--r--tools/bpf/bpf_dbg.c2
-rw-r--r--tools/bpf/bpftool/Makefile4
-rw-r--r--tools/bpf/bpftool/net.c1
-rw-r--r--tools/bpf/bpftool/prog.c4
-rw-r--r--tools/bpf/resolve_btfids/.gitignore3
-rw-r--r--tools/bpf/resolve_btfids/Makefile44
-rw-r--r--tools/bpf/resolve_btfids/main.c17
-rw-r--r--tools/bpf/runqslower/Makefile3
8 files changed, 41 insertions, 37 deletions
diff --git a/tools/bpf/bpf_dbg.c b/tools/bpf/bpf_dbg.c
index a0ebcdf59c31..a07dfc479270 100644
--- a/tools/bpf/bpf_dbg.c
+++ b/tools/bpf/bpf_dbg.c
@@ -890,7 +890,7 @@ static int bpf_run_stepping(struct sock_filter *f, uint16_t bpf_len,
bool stop = false;
int i = 1;
- while (bpf_curr.Rs == false && stop == false) {
+ while (!bpf_curr.Rs && !stop) {
bpf_safe_regs();
if (i++ == next)
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index f897cb5fb12d..8ced1655fea6 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -75,8 +75,6 @@ endif
INSTALL ?= install
RM ?= rm -f
-CLANG ?= clang
-LLVM_STRIP ?= llvm-strip
FEATURE_USER = .bpftool
FEATURE_TESTS = libbfd disassembler-four-args reallocarray zlib libcap \
@@ -166,7 +164,7 @@ $(OUTPUT)%.bpf.o: skeleton/%.bpf.c $(OUTPUT)vmlinux.h $(LIBBPF)
-I$(srctree)/tools/include/uapi/ \
-I$(LIBBPF_PATH) \
-I$(srctree)/tools/lib \
- -g -O2 -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
+ -g -O2 -Wall -target bpf -c $< -o $@ && $(LLVM_STRIP) -g $@
$(OUTPUT)%.skel.h: $(OUTPUT)%.bpf.o $(BPFTOOL_BOOTSTRAP)
$(QUIET_GEN)$(BPFTOOL_BOOTSTRAP) gen skeleton $< > $@
diff --git a/tools/bpf/bpftool/net.c b/tools/bpf/bpftool/net.c
index 3fae61ef6339..ff3aa0cf3997 100644
--- a/tools/bpf/bpftool/net.c
+++ b/tools/bpf/bpftool/net.c
@@ -11,7 +11,6 @@
#include <bpf/bpf.h>
#include <bpf/libbpf.h>
#include <net/if.h>
-#include <linux/if.h>
#include <linux/rtnetlink.h>
#include <linux/socket.h>
#include <linux/tc_act/tc_bpf.h>
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 1fe3ba255bad..f2b915b20546 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -368,6 +368,8 @@ static void print_prog_header_json(struct bpf_prog_info *info)
jsonw_uint_field(json_wtr, "run_time_ns", info->run_time_ns);
jsonw_uint_field(json_wtr, "run_cnt", info->run_cnt);
}
+ if (info->recursion_misses)
+ jsonw_uint_field(json_wtr, "recursion_misses", info->recursion_misses);
}
static void print_prog_json(struct bpf_prog_info *info, int fd)
@@ -446,6 +448,8 @@ static void print_prog_header_plain(struct bpf_prog_info *info)
if (info->run_time_ns)
printf(" run_time_ns %lld run_cnt %lld",
info->run_time_ns, info->run_cnt);
+ if (info->recursion_misses)
+ printf(" recursion_misses %lld", info->recursion_misses);
printf("\n");
}
diff --git a/tools/bpf/resolve_btfids/.gitignore b/tools/bpf/resolve_btfids/.gitignore
index a026df7dc280..16913fffc985 100644
--- a/tools/bpf/resolve_btfids/.gitignore
+++ b/tools/bpf/resolve_btfids/.gitignore
@@ -1,4 +1,3 @@
-/FEATURE-DUMP.libbpf
-/bpf_helper_defs.h
/fixdep
/resolve_btfids
+/libbpf/
diff --git a/tools/bpf/resolve_btfids/Makefile b/tools/bpf/resolve_btfids/Makefile
index bf656432ad73..bb9fa8de7e62 100644
--- a/tools/bpf/resolve_btfids/Makefile
+++ b/tools/bpf/resolve_btfids/Makefile
@@ -2,11 +2,7 @@
include ../../scripts/Makefile.include
include ../../scripts/Makefile.arch
-ifeq ($(srctree),)
-srctree := $(patsubst %/,%,$(dir $(CURDIR)))
-srctree := $(patsubst %/,%,$(dir $(srctree)))
-srctree := $(patsubst %/,%,$(dir $(srctree)))
-endif
+srctree := $(abspath $(CURDIR)/../../../)
ifeq ($(V),1)
Q =
@@ -22,28 +18,29 @@ AR = $(HOSTAR)
CC = $(HOSTCC)
LD = $(HOSTLD)
ARCH = $(HOSTARCH)
+RM ?= rm
OUTPUT ?= $(srctree)/tools/bpf/resolve_btfids/
LIBBPF_SRC := $(srctree)/tools/lib/bpf/
SUBCMD_SRC := $(srctree)/tools/lib/subcmd/
-BPFOBJ := $(OUTPUT)/libbpf.a
-SUBCMDOBJ := $(OUTPUT)/libsubcmd.a
+BPFOBJ := $(OUTPUT)/libbpf/libbpf.a
+SUBCMDOBJ := $(OUTPUT)/libsubcmd/libsubcmd.a
BINARY := $(OUTPUT)/resolve_btfids
BINARY_IN := $(BINARY)-in.o
all: $(BINARY)
-$(OUTPUT):
+$(OUTPUT) $(OUTPUT)/libbpf $(OUTPUT)/libsubcmd:
$(call msg,MKDIR,,$@)
- $(Q)mkdir -p $(OUTPUT)
+ $(Q)mkdir -p $(@)
-$(SUBCMDOBJ): fixdep FORCE
- $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(OUTPUT)
+$(SUBCMDOBJ): fixdep FORCE | $(OUTPUT)/libsubcmd
+ $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
-$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)
+$(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(OUTPUT)/libbpf
$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(abspath $(dir $@))/ $(abspath $@)
CFLAGS := -g \
@@ -57,24 +54,27 @@ LIBS = -lelf -lz
export srctree OUTPUT CFLAGS Q
include $(srctree)/tools/build/Makefile.include
-$(BINARY_IN): fixdep FORCE
+$(BINARY_IN): fixdep FORCE | $(OUTPUT)
$(Q)$(MAKE) $(build)=resolve_btfids
$(BINARY): $(BPFOBJ) $(SUBCMDOBJ) $(BINARY_IN)
$(call msg,LINK,$@)
$(Q)$(CC) $(BINARY_IN) $(LDFLAGS) -o $@ $(BPFOBJ) $(SUBCMDOBJ) $(LIBS)
-libsubcmd-clean:
- $(Q)$(MAKE) -C $(SUBCMD_SRC) OUTPUT=$(OUTPUT) clean
-
-libbpf-clean:
- $(Q)$(MAKE) -C $(LIBBPF_SRC) OUTPUT=$(OUTPUT) clean
+clean_objects := $(wildcard $(OUTPUT)/*.o \
+ $(OUTPUT)/.*.o.cmd \
+ $(OUTPUT)/.*.o.d \
+ $(OUTPUT)/libbpf \
+ $(OUTPUT)/libsubcmd \
+ $(OUTPUT)/resolve_btfids)
-clean: libsubcmd-clean libbpf-clean fixdep-clean
+ifneq ($(clean_objects),)
+clean: fixdep-clean
$(call msg,CLEAN,$(BINARY))
- $(Q)$(RM) -f $(BINARY); \
- $(RM) -rf $(if $(OUTPUT),$(OUTPUT),.)/feature; \
- find $(if $(OUTPUT),$(OUTPUT),.) -name \*.o -or -name \*.o.cmd -or -name \*.o.d | xargs $(RM)
+ $(Q)$(RM) -rf $(clean_objects)
+else
+clean:
+endif
tags:
$(call msg,GEN,,tags)
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
index e3ea569ee125..7409d7860aa6 100644
--- a/tools/bpf/resolve_btfids/main.c
+++ b/tools/bpf/resolve_btfids/main.c
@@ -139,6 +139,8 @@ int eprintf(int level, int var, const char *fmt, ...)
#define pr_debug2(fmt, ...) pr_debugN(2, pr_fmt(fmt), ##__VA_ARGS__)
#define pr_err(fmt, ...) \
eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
+#define pr_info(fmt, ...) \
+ eprintf(0, verbose, pr_fmt(fmt), ##__VA_ARGS__)
static bool is_btf_id(const char *name)
{
@@ -472,7 +474,7 @@ static int symbols_resolve(struct object *obj)
int nr_funcs = obj->nr_funcs;
int err, type_id;
struct btf *btf;
- __u32 nr;
+ __u32 nr_types;
btf = btf__parse(obj->btf ?: obj->path, NULL);
err = libbpf_get_error(btf);
@@ -483,12 +485,12 @@ static int symbols_resolve(struct object *obj)
}
err = -1;
- nr = btf__get_nr_types(btf);
+ nr_types = btf__get_nr_types(btf);
/*
* Iterate all the BTF types and search for collected symbol IDs.
*/
- for (type_id = 1; type_id <= nr; type_id++) {
+ for (type_id = 1; type_id <= nr_types; type_id++) {
const struct btf_type *type;
struct rb_root *root;
struct btf_id *id;
@@ -526,8 +528,13 @@ static int symbols_resolve(struct object *obj)
id = btf_id__find(root, str);
if (id) {
- id->id = type_id;
- (*nr)--;
+ if (id->id) {
+ pr_info("WARN: multiple IDs found for '%s': %d, %d - using %d\n",
+ str, id->id, type_id, id->id);
+ } else {
+ id->id = type_id;
+ (*nr)--;
+ }
}
}
diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index 4d5ca54fcd4c..9d9fb6209be1 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -3,9 +3,6 @@ include ../../scripts/Makefile.include
OUTPUT ?= $(abspath .output)/
-CLANG ?= clang
-LLC ?= llc
-LLVM_STRIP ?= llvm-strip
BPFTOOL_OUTPUT := $(OUTPUT)bpftool/
DEFAULT_BPFTOOL := $(BPFTOOL_OUTPUT)bpftool
BPFTOOL ?= $(DEFAULT_BPFTOOL)
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-02 00:57:54 +0300