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bpf/vmtest-bpf-next-VM_Test-43 |
success
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Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-45 |
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Logs for x86_64-llvm-18 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-46 |
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Logs for x86_64-llvm-18 / veristat
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bpf/vmtest-bpf-next-VM_Test-44 |
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Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-12 |
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Logs for s390x-gcc / build-release
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bpf/vmtest-bpf-next-VM_Test-42 |
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bpf/vmtest-bpf-next-VM_Test-17 |
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bpf/vmtest-bpf-next-VM_Test-0 |
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bpf/vmtest-bpf-next-VM_Test-1 |
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Logs for ShellCheck
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bpf/vmtest-bpf-next-VM_Test-18 |
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bpf/vmtest-bpf-next-VM_Test-10 |
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bpf/vmtest-bpf-next-VM_Test-35 |
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bpf/vmtest-bpf-next-VM_Test-5 |
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bpf/vmtest-bpf-next-VM_Test-28 |
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bpf/vmtest-bpf-next-VM_Test-20 |
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bpf/vmtest-bpf-next-VM_Test-29 |
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bpf/vmtest-bpf-next-VM_Test-4 |
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bpf/vmtest-bpf-next-VM_Test-2 |
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bpf/vmtest-bpf-next-VM_Test-19 |
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bpf/vmtest-bpf-next-VM_Test-11 |
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bpf/vmtest-bpf-next-VM_Test-36 |
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bpf/vmtest-bpf-next-VM_Test-3 |
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Logs for Validate matrix.py
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bpf/vmtest-bpf-next-VM_Test-9 |
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Logs for aarch64-gcc / test (test_verifier, false, 360) / test_verifier on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-34 |
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bpf/vmtest-bpf-next-VM_Test-6 |
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Logs for aarch64-gcc / test (test_maps, false, 360) / test_maps on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-7 |
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Logs for aarch64-gcc / test (test_progs, false, 360) / test_progs on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-15 |
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Logs for s390x-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on s390x with gcc
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bpf/vmtest-bpf-next-VM_Test-26 |
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Logs for x86_64-gcc / test (test_verifier, false, 360) / test_verifier on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-21 |
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bpf/vmtest-bpf-next-VM_Test-27 |
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bpf/vmtest-bpf-next-VM_Test-30 |
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bpf/vmtest-bpf-next-VM_Test-8 |
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bpf/vmtest-bpf-next-VM_Test-14 |
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bpf/vmtest-bpf-next-VM_Test-24 |
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bpf/vmtest-bpf-next-VM_Test-16 |
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bpf/vmtest-bpf-next-VM_Test-13 |
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bpf/vmtest-bpf-next-VM_Test-25 |
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bpf/vmtest-bpf-next-VM_Test-33 |
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bpf/vmtest-bpf-next-VM_Test-23 |
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Logs for x86_64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-32 |
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Logs for x86_64-llvm-17 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-31 |
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Logs for x86_64-llvm-17 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-22 |
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bpf/vmtest-bpf-next-VM_Test-37 |
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Logs for x86_64-llvm-18 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-40 |
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Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-38 |
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Logs for x86_64-llvm-18 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-41 |
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Logs for x86_64-llvm-18 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-39 |
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Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-PR |
success
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PR summary
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netdev/tree_selection |
success
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Clearly marked for bpf-next
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netdev/apply |
fail
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Patch does not apply to bpf-next-0
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@@ -219,6 +219,13 @@ compilation and skeleton generation. Using Libbpf-rs will make building user
space part of the BPF application easier. Note that the BPF program themselves
must still be written in plain C.
+libbpf logging
+==============
+
+By default, libbpf logs informational and warning messages to stderr. The verbosity of these
+messages can be controlled by setting the environment variable LIBBPF_LOG_LEVEL to either warn,
+info, or debug. A custom log callback can be set using ``libbpf_set_print()``.
+
Additional Documentation
========================
@@ -229,7 +229,29 @@ static const char * const prog_type_name[] = {
static int __base_pr(enum libbpf_print_level level, const char *format,
va_list args)
{
- if (level == LIBBPF_DEBUG)
+ static enum libbpf_print_level min_level = LIBBPF_INFO;
+ static const char *env_var = "LIBBPF_LOG_LEVEL";
+ static bool initialized;
+
+ if (!initialized) {
+ char *verbosity;
+
+ initialized = true;
+ verbosity = getenv(env_var);
+ if (verbosity) {
+ if (strcasecmp(verbosity, "warn") == 0)
+ min_level = LIBBPF_WARN;
+ else if (strcasecmp(verbosity, "debug") == 0)
+ min_level = LIBBPF_DEBUG;
+ else if (strcasecmp(verbosity, "info") == 0)
+ min_level = LIBBPF_INFO;
+ else
+ fprintf(stderr, "Unexpected value of %s env variable\n", env_var);
+ }
+ }
+
+ /* if too verbose, skip logging */
+ if (level > min_level)
return 0;
return vfprintf(stderr, format, args);
@@ -98,7 +98,10 @@ typedef int (*libbpf_print_fn_t)(enum libbpf_print_level level,
/**
* @brief **libbpf_set_print()** sets user-provided log callback function to
- * be used for libbpf warnings and informational messages.
+ * be used for libbpf warnings and informational messages. If the user callback
+ * is not set, messages are logged to stderr by default. The verbosity of these
+ * messages can be controlled by setting the environment variable
+ * LIBBPF_LOG_LEVEL to either warn, info, or debug.
* @param fn The log print function. If NULL, libbpf won't print anything.
* @return Pointer to old print function.
*