diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/trace_printk.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/trace_printk.c | 51 |
1 files changed, 26 insertions, 25 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/trace_printk.c b/tools/testing/selftests/bpf/prog_tests/trace_printk.c index 39b0decb1bb2..7b9124d506a5 100644 --- a/tools/testing/selftests/bpf/prog_tests/trace_printk.c +++ b/tools/testing/selftests/bpf/prog_tests/trace_printk.c @@ -3,37 +3,43 @@ #include <test_progs.h> -#include "trace_printk.skel.h" +#include "trace_printk.lskel.h" -#define TRACEBUF "/sys/kernel/debug/tracing/trace_pipe" +#define TRACEFS_PIPE "/sys/kernel/tracing/trace_pipe" +#define DEBUGFS_PIPE "/sys/kernel/debug/tracing/trace_pipe" #define SEARCHMSG "testing,testing" -void test_trace_printk(void) +void serial_test_trace_printk(void) { - int err, iter = 0, duration = 0, found = 0; - struct trace_printk__bss *bss; - struct trace_printk *skel; + struct trace_printk_lskel__bss *bss; + int err = 0, iter = 0, found = 0; + struct trace_printk_lskel *skel; char *buf = NULL; FILE *fp = NULL; size_t buflen; - skel = trace_printk__open(); - if (CHECK(!skel, "skel_open", "failed to open skeleton\n")) + skel = trace_printk_lskel__open(); + if (!ASSERT_OK_PTR(skel, "trace_printk__open")) return; - err = trace_printk__load(skel); - if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err)) + ASSERT_EQ(skel->rodata->fmt[0], 'T', "skel->rodata->fmt[0]"); + skel->rodata->fmt[0] = 't'; + + err = trace_printk_lskel__load(skel); + if (!ASSERT_OK(err, "trace_printk__load")) goto cleanup; bss = skel->bss; - err = trace_printk__attach(skel); - if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err)) + err = trace_printk_lskel__attach(skel); + if (!ASSERT_OK(err, "trace_printk__attach")) goto cleanup; - fp = fopen(TRACEBUF, "r"); - if (CHECK(fp == NULL, "could not open trace buffer", - "error %d opening %s", errno, TRACEBUF)) + if (access(TRACEFS_PIPE, F_OK) == 0) + fp = fopen(TRACEFS_PIPE, "r"); + else + fp = fopen(DEBUGFS_PIPE, "r"); + if (!ASSERT_OK_PTR(fp, "fopen(TRACE_PIPE)")) goto cleanup; /* We do not want to wait forever if this test fails... */ @@ -41,16 +47,12 @@ void test_trace_printk(void) /* wait for tracepoint to trigger */ usleep(1); - trace_printk__detach(skel); + trace_printk_lskel__detach(skel); - if (CHECK(bss->trace_printk_ran == 0, - "bpf_trace_printk never ran", - "ran == %d", bss->trace_printk_ran)) + if (!ASSERT_GT(bss->trace_printk_ran, 0, "bss->trace_printk_ran")) goto cleanup; - if (CHECK(bss->trace_printk_ret <= 0, - "bpf_trace_printk returned <= 0 value", - "got %d", bss->trace_printk_ret)) + if (!ASSERT_GT(bss->trace_printk_ret, 0, "bss->trace_printk_ret")) goto cleanup; /* verify our search string is in the trace buffer */ @@ -63,12 +65,11 @@ void test_trace_printk(void) break; } - if (CHECK(!found, "message from bpf_trace_printk not found", - "no instance of %s in %s", SEARCHMSG, TRACEBUF)) + if (!ASSERT_EQ(found, bss->trace_printk_ran, "found")) goto cleanup; cleanup: - trace_printk__destroy(skel); + trace_printk_lskel__destroy(skel); free(buf); if (fp) fclose(fp); |