summaryrefslogtreecommitdiffstats
path: root/kernel/trace/trace_syscalls.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace_syscalls.c')
-rw-r--r--kernel/trace/trace_syscalls.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index 527e17eae575..d99abc427c39 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -103,7 +103,8 @@ extern char *__bad_type_size(void);
#define SYSCALL_FIELD(type, name) \
sizeof(type) != sizeof(trace.name) ? \
__bad_type_size() : \
- #type, #name, offsetof(typeof(trace), name), sizeof(trace.name)
+ #type, #name, offsetof(typeof(trace), name), \
+ sizeof(trace.name), is_signed_type(type)
int syscall_enter_format(struct ftrace_event_call *call, struct trace_seq *s)
{
@@ -120,7 +121,8 @@ int syscall_enter_format(struct ftrace_event_call *call, struct trace_seq *s)
if (!entry)
return 0;
- ret = trace_seq_printf(s, "\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n",
+ ret = trace_seq_printf(s, "\tfield:%s %s;\toffset:%zu;\tsize:%zu;"
+ "\tsigned:%u;\n",
SYSCALL_FIELD(int, nr));
if (!ret)
return 0;
@@ -130,8 +132,10 @@ int syscall_enter_format(struct ftrace_event_call *call, struct trace_seq *s)
entry->args[i]);
if (!ret)
return 0;
- ret = trace_seq_printf(s, "\toffset:%d;\tsize:%zu;\n", offset,
- sizeof(unsigned long));
+ ret = trace_seq_printf(s, "\toffset:%d;\tsize:%zu;"
+ "\tsigned:%u;\n", offset,
+ sizeof(unsigned long),
+ is_signed_type(unsigned long));
if (!ret)
return 0;
offset += sizeof(unsigned long);
@@ -163,8 +167,10 @@ int syscall_exit_format(struct ftrace_event_call *call, struct trace_seq *s)
struct syscall_trace_exit trace;
ret = trace_seq_printf(s,
- "\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n"
- "\tfield:%s %s;\toffset:%zu;\tsize:%zu;\n",
+ "\tfield:%s %s;\toffset:%zu;\tsize:%zu;"
+ "\tsigned:%u;\n"
+ "\tfield:%s %s;\toffset:%zu;\tsize:%zu;"
+ "\tsigned:%u;\n",
SYSCALL_FIELD(int, nr),
SYSCALL_FIELD(long, ret));
if (!ret)
@@ -212,7 +218,7 @@ int syscall_exit_define_fields(struct ftrace_event_call *call)
if (ret)
return ret;
- ret = trace_define_field(call, SYSCALL_FIELD(long, ret), 0,
+ ret = trace_define_field(call, SYSCALL_FIELD(long, ret),
FILTER_OTHER);
return ret;
OpenPOWER on IntegriCloud