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trace: do not limit trace buffer to 2GiB

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There is no good reason to limit the trace buffer to 2GiB on a 64bit
system. Adjust the types of the relevant parameters.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Heinrich Schuchardt 2019-06-14 21:50:55 +02:00 committed by Simon Glass
parent b8e1f8270c
commit 2b7a3882e0
4 changed files with 16 additions and 18 deletions
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10
cmd/trace.c
View file

@ -30,8 +30,7 @@ static int get_args(int argc, char * const argv[], char **buff,
static int create_func_list(int argc, char * const argv[])
{
size_t buff_size, avail, buff_ptr, used;
unsigned int needed;
size_t buff_size, avail, buff_ptr, needed, used;
char *buff;
int err;
@ -41,7 +40,7 @@ static int create_func_list(int argc, char * const argv[])
avail = buff_size - buff_ptr;
err = trace_list_functions(buff + buff_ptr, avail, &needed);
if (err)
printf("Error: truncated (%#x bytes needed)\n", needed);
printf("Error: truncated (%#zx bytes needed)\n", needed);
used = min(avail, (size_t)needed);
printf("Function trace dumped to %08lx, size %#zx\n",
(ulong)map_to_sysmem(buff + buff_ptr), used);
@ -54,8 +53,7 @@ static int create_func_list(int argc, char * const argv[])
static int create_call_list(int argc, char * const argv[])
{
size_t buff_size, avail, buff_ptr, used;
unsigned int needed;
size_t buff_size, avail, buff_ptr, needed, used;
char *buff;
int err;
@ -65,7 +63,7 @@ static int create_call_list(int argc, char * const argv[])
avail = buff_size - buff_ptr;
err = trace_list_calls(buff + buff_ptr, avail, &needed);
if (err)
printf("Error: truncated (%#x bytes needed)\n", needed);
printf("Error: truncated (%#zx bytes needed)\n", needed);
used = min(avail, (size_t)needed);
printf("Call list dumped to %08lx, size %#zx\n",
(ulong)map_to_sysmem(buff + buff_ptr), used);

6
include/trace.h
View file

@ -39,7 +39,7 @@ struct trace_output_func {
/* A header at the start of the trace output buffer */
struct trace_output_hdr {
enum trace_chunk_type type; /* Record type */
uint32_t rec_count; /* Number of records */
size_t rec_count; /* Number of records */
};
/* Print statistics about traced function calls */
@ -57,7 +57,7 @@ void trace_print_stats(void);
* @param needed Returns number of bytes used / needed
* @return 0 if ok, -1 on error (buffer exhausted)
*/
int trace_list_functions(void *buff, int buff_size, unsigned *needed);
int trace_list_functions(void *buff, size_t buff_size, size_t *needed);
/* Flags for ftrace_record */
enum ftrace_flags {
@ -77,7 +77,7 @@ struct trace_call {
uint32_t flags; /* Flags and timestamp */
};
int trace_list_calls(void *buff, int buff_size, unsigned int *needed);
int trace_list_calls(void *buff, size_t buff_size, size_t *needed);
/**
* Turn function tracing on and off

14
lib/trace.c
View file

@ -190,12 +190,12 @@ void __attribute__((no_instrument_function)) __cyg_profile_func_exit(
* greater than buff_size if we ran out of space.
* @return 0 if ok, -1 if space was exhausted
*/
int trace_list_functions(void *buff, int buff_size, unsigned int *needed)
int trace_list_functions(void *buff, size_t buff_size, size_t *needed)
{
struct trace_output_hdr *output_hdr = NULL;
void *end, *ptr = buff;
int func;
int upto;
size_t func;
size_t upto;
end = buff ? buff + buff_size : NULL;
@ -206,7 +206,7 @@ int trace_list_functions(void *buff, int buff_size, unsigned int *needed)
/* Add information about each function */
for (func = upto = 0; func < hdr->func_count; func++) {
int calls = hdr->call_accum[func];
size_t calls = hdr->call_accum[func];
if (!calls)
continue;
@ -235,12 +235,12 @@ int trace_list_functions(void *buff, int buff_size, unsigned int *needed)
return 0;
}
int trace_list_calls(void *buff, int buff_size, unsigned *needed)
int trace_list_calls(void *buff, size_t buff_size, size_t *needed)
{
struct trace_output_hdr *output_hdr = NULL;
void *end, *ptr = buff;
int rec, upto;
int count;
size_t rec, upto;
size_t count;
end = buff ? buff + buff_size : NULL;

4
tools/proftool.c
View file

@ -205,12 +205,12 @@ static struct func_info *find_caller_by_offset(uint32_t offset)
return low >= 0 ? &func_list[low] : NULL;
}
static int read_calls(FILE *fin, int count)
static int read_calls(FILE *fin, size_t count)
{
struct trace_call *call_data;
int i;
notice("call count: %d\n", count);
notice("call count: %zu\n", count);
call_list = (struct trace_call *)calloc(count, sizeof(*call_data));
if (!call_list) {
error("Cannot allocate call_list\n");