diff options
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 34 |
1 files changed, 13 insertions, 21 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index dcb9adb44be9..3259019cc66d 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3593,25 +3593,18 @@ static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file unsigned int flags) { bool tgid = flags & TRACE_ITER_RECORD_TGID; - const char tgid_space[] = " "; - const char space[] = " "; + const char *space = " "; + int prec = tgid ? 10 : 2; print_event_info(buf, m); - seq_printf(m, "# %s _-----=> irqs-off\n", - tgid ? tgid_space : space); - seq_printf(m, "# %s / _----=> need-resched\n", - tgid ? tgid_space : space); - seq_printf(m, "# %s| / _---=> hardirq/softirq\n", - tgid ? tgid_space : space); - seq_printf(m, "# %s|| / _--=> preempt-depth\n", - tgid ? tgid_space : space); - seq_printf(m, "# %s||| / delay\n", - tgid ? tgid_space : space); - seq_printf(m, "# TASK-PID %sCPU# |||| TIMESTAMP FUNCTION\n", - tgid ? " TGID " : space); - seq_printf(m, "# | | %s | |||| | |\n", - tgid ? " | " : space); + seq_printf(m, "# %.*s _-----=> irqs-off\n", prec, space); + seq_printf(m, "# %.*s / _----=> need-resched\n", prec, space); + seq_printf(m, "# %.*s| / _---=> hardirq/softirq\n", prec, space); + seq_printf(m, "# %.*s|| / _--=> preempt-depth\n", prec, space); + seq_printf(m, "# %.*s||| / delay\n", prec, space); + seq_printf(m, "# TASK-PID %.*sCPU# |||| TIMESTAMP FUNCTION\n", prec, " TGID "); + seq_printf(m, "# | | %.*s | |||| | |\n", prec, " | "); } void @@ -6342,13 +6335,13 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, struct ring_buffer *buffer; struct print_entry *entry; unsigned long irq_flags; - const char faulted[] = "<faulted>"; ssize_t written; int size; int len; /* Used in tracing_mark_raw_write() as well */ -#define FAULTED_SIZE (sizeof(faulted) - 1) /* '\0' is already accounted for */ +#define FAULTED_STR "<faulted>" +#define FAULTED_SIZE (sizeof(FAULTED_STR) - 1) /* '\0' is already accounted for */ if (tracing_disabled) return -EINVAL; @@ -6380,7 +6373,7 @@ tracing_mark_write(struct file *filp, const char __user *ubuf, len = __copy_from_user_inatomic(&entry->buf, ubuf, cnt); if (len) { - memcpy(&entry->buf, faulted, FAULTED_SIZE); + memcpy(&entry->buf, FAULTED_STR, FAULTED_SIZE); cnt = FAULTED_SIZE; written = -EFAULT; } else @@ -6421,7 +6414,6 @@ tracing_mark_raw_write(struct file *filp, const char __user *ubuf, struct ring_buffer_event *event; struct ring_buffer *buffer; struct raw_data_entry *entry; - const char faulted[] = "<faulted>"; unsigned long irq_flags; ssize_t written; int size; @@ -6461,7 +6453,7 @@ tracing_mark_raw_write(struct file *filp, const char __user *ubuf, len = __copy_from_user_inatomic(&entry->id, ubuf, cnt); if (len) { entry->id = -1; - memcpy(&entry->buf, faulted, FAULTED_SIZE); + memcpy(&entry->buf, FAULTED_STR, FAULTED_SIZE); written = -EFAULT; } else written = cnt; |