Context |
Check |
Description |
netdev/series_format |
fail
|
Series longer than 15 patches
|
netdev/tree_selection |
success
|
Guessed tree name to be net-next
|
netdev/ynl |
success
|
Generated files up to date;
no warnings/errors;
no diff in generated;
|
netdev/fixes_present |
success
|
Fixes tag not required for -next series
|
netdev/header_inline |
success
|
No static functions without inline keyword in header files
|
netdev/build_32bit |
success
|
Errors and warnings before: 125 this patch: 125
|
netdev/build_tools |
success
|
Errors and warnings before: 0 this patch: 0
|
netdev/cc_maintainers |
warning
|
1 maintainers not CCed: mathieu.desnoyers@efficios.com
|
netdev/build_clang |
success
|
Errors and warnings before: 136 this patch: 136
|
netdev/verify_signedoff |
success
|
Signed-off-by tag matches author and committer
|
netdev/deprecated_api |
success
|
None detected
|
netdev/check_selftest |
success
|
No net selftest shell script
|
netdev/verify_fixes |
success
|
No Fixes tag
|
netdev/build_allmodconfig_warn |
success
|
Errors and warnings before: 5204 this patch: 5204
|
netdev/checkpatch |
warning
|
WARNING: line length of 86 exceeds 80 columns
|
netdev/build_clang_rust |
success
|
No Rust files in patch. Skipping build
|
netdev/kdoc |
success
|
Errors and warnings before: 14 this patch: 14
|
netdev/source_inline |
success
|
Was 0 now: 0
|
bpf/vmtest-bpf-net-PR |
success
|
PR summary
|
bpf/vmtest-bpf-net-VM_Test-1 |
success
|
Logs for ShellCheck
|
bpf/vmtest-bpf-net-VM_Test-0 |
success
|
Logs for Lint
|
bpf/vmtest-bpf-net-VM_Test-2 |
success
|
Logs for Unittests
|
bpf/vmtest-bpf-net-VM_Test-3 |
success
|
Logs for Validate matrix.py
|
bpf/vmtest-bpf-net-VM_Test-5 |
success
|
Logs for aarch64-gcc / build-release
|
bpf/vmtest-bpf-net-VM_Test-4 |
success
|
Logs for aarch64-gcc / build / build for aarch64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-10 |
success
|
Logs for aarch64-gcc / veristat
|
bpf/vmtest-bpf-net-VM_Test-12 |
success
|
Logs for s390x-gcc / build-release
|
bpf/vmtest-bpf-net-VM_Test-6 |
success
|
Logs for aarch64-gcc / test (test_maps, false, 360) / test_maps on aarch64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-9 |
success
|
Logs for aarch64-gcc / test (test_verifier, false, 360) / test_verifier on aarch64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-11 |
success
|
Logs for s390x-gcc / build / build for s390x with gcc
|
bpf/vmtest-bpf-net-VM_Test-15 |
success
|
Logs for s390x-gcc / test (test_verifier, false, 360) / test_verifier on s390x with gcc
|
bpf/vmtest-bpf-net-VM_Test-16 |
success
|
Logs for s390x-gcc / veristat
|
bpf/vmtest-bpf-net-VM_Test-17 |
success
|
Logs for set-matrix
|
bpf/vmtest-bpf-net-VM_Test-18 |
success
|
Logs for x86_64-gcc / build / build for x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-19 |
success
|
Logs for x86_64-gcc / build-release
|
bpf/vmtest-bpf-net-VM_Test-27 |
success
|
Logs for x86_64-llvm-17 / build / build for x86_64 with llvm-17
|
bpf/vmtest-bpf-net-VM_Test-28 |
success
|
Logs for x86_64-llvm-17 / build-release / build for x86_64 with llvm-17-O2
|
bpf/vmtest-bpf-net-VM_Test-33 |
success
|
Logs for x86_64-llvm-17 / veristat
|
bpf/vmtest-bpf-net-VM_Test-34 |
success
|
Logs for x86_64-llvm-18 / build / build for x86_64 with llvm-18
|
bpf/vmtest-bpf-net-VM_Test-35 |
success
|
Logs for x86_64-llvm-18 / build-release / build for x86_64 with llvm-18-O2
|
bpf/vmtest-bpf-net-VM_Test-41 |
success
|
Logs for x86_64-llvm-18 / veristat
|
bpf/vmtest-bpf-net-VM_Test-7 |
fail
|
Logs for aarch64-gcc / test (test_progs, false, 360) / test_progs on aarch64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-8 |
fail
|
Logs for aarch64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on aarch64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-14 |
fail
|
Logs for s390x-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on s390x with gcc
|
bpf/vmtest-bpf-net-VM_Test-20 |
success
|
Logs for x86_64-gcc / test (test_maps, false, 360) / test_maps on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-23 |
success
|
Logs for x86_64-gcc / test (test_progs_no_alu32_parallel, true, 30) / test_progs_no_alu32_parallel on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-24 |
success
|
Logs for x86_64-gcc / test (test_progs_parallel, true, 30) / test_progs_parallel on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-25 |
success
|
Logs for x86_64-gcc / test (test_verifier, false, 360) / test_verifier on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-26 |
fail
|
Logs for x86_64-gcc / veristat / veristat on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-29 |
success
|
Logs for x86_64-llvm-17 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-17
|
bpf/vmtest-bpf-net-VM_Test-30 |
success
|
Logs for x86_64-llvm-17 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-17
|
bpf/vmtest-bpf-net-VM_Test-32 |
success
|
Logs for x86_64-llvm-17 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-17
|
bpf/vmtest-bpf-net-VM_Test-36 |
success
|
Logs for x86_64-llvm-18 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-18
|
bpf/vmtest-bpf-net-VM_Test-37 |
success
|
Logs for x86_64-llvm-18 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-18
|
bpf/vmtest-bpf-net-VM_Test-38 |
success
|
Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
|
bpf/vmtest-bpf-net-VM_Test-40 |
success
|
Logs for x86_64-llvm-18 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-18
|
bpf/vmtest-bpf-net-VM_Test-21 |
success
|
Logs for x86_64-gcc / test (test_progs, false, 360) / test_progs on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-22 |
success
|
Logs for x86_64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with gcc
|
bpf/vmtest-bpf-net-VM_Test-31 |
success
|
Logs for x86_64-llvm-17 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-17
|
bpf/vmtest-bpf-net-VM_Test-39 |
success
|
Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
|
bpf/vmtest-bpf-net-VM_Test-13 |
fail
|
Logs for s390x-gcc / test (test_progs, false, 360) / test_progs on s390x with gcc
|
@@ -1160,6 +1160,8 @@ struct fgraph_ops {
void *private;
trace_func_graph_ent_t saved_func;
int idx;
+ /* If skip_timestamp is true, this does not record timestamps. */
+ bool skip_timestamp;
};
void *fgraph_reserve_data(int idx, int size_bytes);
@@ -174,6 +174,7 @@ int ftrace_graph_active;
static struct fgraph_ops *fgraph_array[FGRAPH_ARRAY_SIZE];
static unsigned long fgraph_array_bitmask;
+static bool fgraph_skip_timestamp;
/* LRU index table for fgraph_array */
static int fgraph_lru_table[FGRAPH_ARRAY_SIZE];
@@ -557,7 +558,11 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func,
return -EBUSY;
}
- calltime = trace_clock_local();
+ /* This is not really 'likely' but for keeping the least path to be faster. */
+ if (likely(fgraph_skip_timestamp))
+ calltime = 0LL;
+ else
+ calltime = trace_clock_local();
offset = READ_ONCE(current->curr_ret_stack);
ret_stack = RET_STACK(current, offset);
@@ -728,6 +733,12 @@ ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret,
*ret = ret_stack->ret;
trace->func = ret_stack->func;
trace->calltime = ret_stack->calltime;
+ /* This is not really 'likely' but for keeping the least path to be faster. */
+ if (likely(!trace->calltime))
+ trace->rettime = 0LL;
+ else
+ trace->rettime = trace_clock_local();
+
trace->overrun = atomic_read(¤t->trace_overrun);
trace->depth = current->curr_ret_depth;
/*
@@ -788,7 +799,6 @@ __ftrace_return_to_handler(struct ftrace_regs *fregs, unsigned long frame_pointe
return (unsigned long)panic;
}
- trace.rettime = trace_clock_local();
if (fregs)
ftrace_regs_set_instruction_pointer(fregs, ret);
@@ -1248,6 +1258,24 @@ static void ftrace_graph_disable_direct(bool disable_branch)
fgraph_direct_gops = &fgraph_stub;
}
+static void update_fgraph_skip_timestamp(void)
+{
+ int i;
+
+ for (i = 0; i < FGRAPH_ARRAY_SIZE; i++) {
+ struct fgraph_ops *gops = fgraph_array[i];
+
+ if (gops == &fgraph_stub)
+ continue;
+
+ if (!gops->skip_timestamp) {
+ fgraph_skip_timestamp = false;
+ return;
+ }
+ }
+ fgraph_skip_timestamp = true;
+}
+
int register_ftrace_graph(struct fgraph_ops *gops)
{
int command = 0;
@@ -1271,6 +1299,7 @@ int register_ftrace_graph(struct fgraph_ops *gops)
gops->idx = i;
ftrace_graph_active++;
+ update_fgraph_skip_timestamp();
if (ftrace_graph_active == 2)
ftrace_graph_disable_direct(true);
@@ -1303,6 +1332,7 @@ int register_ftrace_graph(struct fgraph_ops *gops)
ftrace_graph_active--;
gops->saved_func = NULL;
fgraph_lru_release_index(i);
+ update_fgraph_skip_timestamp();
}
out:
mutex_unlock(&ftrace_lock);
@@ -1326,8 +1356,8 @@ void unregister_ftrace_graph(struct fgraph_ops *gops)
goto out;
fgraph_array[gops->idx] = &fgraph_stub;
-
ftrace_graph_active--;
+ update_fgraph_skip_timestamp();
if (!ftrace_graph_active)
command = FTRACE_STOP_FUNC_RET;
@@ -345,6 +345,7 @@ NOKPROBE_SYMBOL(fprobe_return);
static struct fgraph_ops fprobe_graph_ops = {
.entryfunc = fprobe_entry,
.retfunc = fprobe_return,
+ .skip_timestamp = true,
};
static int fprobe_graph_active;