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Diffstat (limited to 'tools/perf/util/trace-event-read.c')
-rw-r--r--tools/perf/util/trace-event-read.c97
1 files changed, 50 insertions, 47 deletions
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c
index f097e0dd6c5..719ed74a856 100644
--- a/tools/perf/util/trace-event-read.c
+++ b/tools/perf/util/trace-event-read.c
@@ -114,20 +114,20 @@ static void skip(int size)
};
}
-static unsigned int read4(void)
+static unsigned int read4(struct pevent *pevent)
{
unsigned int data;
read_or_die(&data, 4);
- return __data2host4(perf_pevent, data);
+ return __data2host4(pevent, data);
}
-static unsigned long long read8(void)
+static unsigned long long read8(struct pevent *pevent)
{
unsigned long long data;
read_or_die(&data, 8);
- return __data2host8(perf_pevent, data);
+ return __data2host8(pevent, data);
}
static char *read_string(void)
@@ -168,12 +168,12 @@ static char *read_string(void)
return str;
}
-static void read_proc_kallsyms(void)
+static void read_proc_kallsyms(struct pevent *pevent)
{
unsigned int size;
char *buf;
- size = read4();
+ size = read4(pevent);
if (!size)
return;
@@ -181,29 +181,29 @@ static void read_proc_kallsyms(void)
read_or_die(buf, size);
buf[size] = '\0';
- parse_proc_kallsyms(buf, size);
+ parse_proc_kallsyms(pevent, buf, size);
free(buf);
}
-static void read_ftrace_printk(void)
+static void read_ftrace_printk(struct pevent *pevent)
{
unsigned int size;
char *buf;
- size = read4();
+ size = read4(pevent);
if (!size)
return;
buf = malloc_or_die(size);
read_or_die(buf, size);
- parse_ftrace_printk(buf, size);
+ parse_ftrace_printk(pevent, buf, size);
free(buf);
}
-static void read_header_files(void)
+static void read_header_files(struct pevent *pevent)
{
unsigned long long size;
char *header_event;
@@ -214,7 +214,7 @@ static void read_header_files(void)
if (memcmp(buf, "header_page", 12) != 0)
die("did not read header page");
- size = read8();
+ size = read8(pevent);
skip(size);
/*
@@ -227,47 +227,48 @@ static void read_header_files(void)
if (memcmp(buf, "header_event", 13) != 0)
die("did not read header event");
- size = read8();
+ size = read8(pevent);
header_event = malloc_or_die(size);
read_or_die(header_event, size);
free(header_event);
}
-static void read_ftrace_file(unsigned long long size)
+static void read_ftrace_file(struct pevent *pevent, unsigned long long size)
{
char *buf;
buf = malloc_or_die(size);
read_or_die(buf, size);
- parse_ftrace_file(buf, size);
+ parse_ftrace_file(pevent, buf, size);
free(buf);
}
-static void read_event_file(char *sys, unsigned long long size)
+static void read_event_file(struct pevent *pevent, char *sys,
+ unsigned long long size)
{
char *buf;
buf = malloc_or_die(size);
read_or_die(buf, size);
- parse_event_file(buf, size, sys);
+ parse_event_file(pevent, buf, size, sys);
free(buf);
}
-static void read_ftrace_files(void)
+static void read_ftrace_files(struct pevent *pevent)
{
unsigned long long size;
int count;
int i;
- count = read4();
+ count = read4(pevent);
for (i = 0; i < count; i++) {
- size = read8();
- read_ftrace_file(size);
+ size = read8(pevent);
+ read_ftrace_file(pevent, size);
}
}
-static void read_event_files(void)
+static void read_event_files(struct pevent *pevent)
{
unsigned long long size;
char *sys;
@@ -275,15 +276,15 @@ static void read_event_files(void)
int count;
int i,x;
- systems = read4();
+ systems = read4(pevent);
for (i = 0; i < systems; i++) {
sys = read_string();
- count = read4();
+ count = read4(pevent);
for (x=0; x < count; x++) {
- size = read8();
- read_event_file(sys, size);
+ size = read8(pevent);
+ read_event_file(pevent, sys, size);
}
}
}
@@ -377,7 +378,7 @@ static int calc_index(void *ptr, int cpu)
return (unsigned long)ptr - (unsigned long)cpu_data[cpu].page;
}
-struct pevent_record *trace_peek_data(int cpu)
+struct pevent_record *trace_peek_data(struct pevent *pevent, int cpu)
{
struct pevent_record *data;
void *page = cpu_data[cpu].page;
@@ -399,15 +400,15 @@ struct pevent_record *trace_peek_data(int cpu)
/* FIXME: handle header page */
if (header_page_ts_size != 8)
die("expected a long long type for timestamp");
- cpu_data[cpu].timestamp = data2host8(perf_pevent, ptr);
+ cpu_data[cpu].timestamp = data2host8(pevent, ptr);
ptr += 8;
switch (header_page_size_size) {
case 4:
- cpu_data[cpu].page_size = data2host4(perf_pevent, ptr);
+ cpu_data[cpu].page_size = data2host4(pevent, ptr);
ptr += 4;
break;
case 8:
- cpu_data[cpu].page_size = data2host8(perf_pevent, ptr);
+ cpu_data[cpu].page_size = data2host8(pevent, ptr);
ptr += 8;
break;
default:
@@ -421,10 +422,10 @@ read_again:
if (idx >= cpu_data[cpu].page_size) {
get_next_page(cpu);
- return trace_peek_data(cpu);
+ return trace_peek_data(pevent, cpu);
}
- type_len_ts = data2host4(perf_pevent, ptr);
+ type_len_ts = data2host4(pevent, ptr);
ptr += 4;
type_len = type_len4host(type_len_ts);
@@ -434,14 +435,14 @@ read_again:
case RINGBUF_TYPE_PADDING:
if (!delta)
die("error, hit unexpected end of page");
- length = data2host4(perf_pevent, ptr);
+ length = data2host4(pevent, ptr);
ptr += 4;
length *= 4;
ptr += length;
goto read_again;
case RINGBUF_TYPE_TIME_EXTEND:
- extend = data2host4(perf_pevent, ptr);
+ extend = data2host4(pevent, ptr);
ptr += 4;
extend <<= TS_SHIFT;
extend += delta;
@@ -452,7 +453,7 @@ read_again:
ptr += 12;
break;
case 0:
- length = data2host4(perf_pevent, ptr);
+ length = data2host4(pevent, ptr);
ptr += 4;
die("here! length=%d", length);
break;
@@ -477,17 +478,17 @@ read_again:
return data;
}
-struct pevent_record *trace_read_data(int cpu)
+struct pevent_record *trace_read_data(struct pevent *pevent, int cpu)
{
struct pevent_record *data;
- data = trace_peek_data(cpu);
+ data = trace_peek_data(pevent, cpu);
cpu_data[cpu].next = NULL;
return data;
}
-ssize_t trace_report(int fd, bool __repipe)
+ssize_t trace_report(int fd, struct pevent **ppevent, bool __repipe)
{
char buf[BUFSIZ];
char test[] = { 23, 8, 68 };
@@ -519,30 +520,32 @@ ssize_t trace_report(int fd, bool __repipe)
file_bigendian = buf[0];
host_bigendian = bigendian();
- read_trace_init(file_bigendian, host_bigendian);
+ *ppevent = read_trace_init(file_bigendian, host_bigendian);
+ if (*ppevent == NULL)
+ die("read_trace_init failed");
read_or_die(buf, 1);
long_size = buf[0];
- page_size = read4();
+ page_size = read4(*ppevent);
- read_header_files();
+ read_header_files(*ppevent);
- read_ftrace_files();
- read_event_files();
- read_proc_kallsyms();
- read_ftrace_printk();
+ read_ftrace_files(*ppevent);
+ read_event_files(*ppevent);
+ read_proc_kallsyms(*ppevent);
+ read_ftrace_printk(*ppevent);
size = calc_data_size - 1;
calc_data_size = 0;
repipe = false;
if (show_funcs) {
- pevent_print_funcs(perf_pevent);
+ pevent_print_funcs(*ppevent);
return size;
}
if (show_printk) {
- pevent_print_printk(perf_pevent);
+ pevent_print_printk(*ppevent);
return size;
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 15:48:57 +0000