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Code Issues Releases Wiki Activity

dump, kernel: Add some mm structure members into the dump

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov
2011-10-12 18:05:07 +04:00
parent ce65f2f718
commit 4389c021fc
4 changed files with 126 additions and 89 deletions
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56
cr-dump.c
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@@ -417,12 +417,19 @@ err:
#define assign_array(dst, src, e) memcpy(&dst.e, &src.e, sizeof(dst.e))
static int get_task_stat(pid_t pid, u8 *comm, u32 *flags,
u64 *start_code, u64 *end_code)
u64 *start_code, u64 *end_code,
u64 *start_data, u64 *end_data,
u64 *start_stack, u64 *start_brk)
{
FILE *file = NULL;
char *tok1, *tok2;
int i, ret = -1;
/*
* NOTE: Be careful, /proc/$pid/stat has a parasite
* '0' symbol at argument 20 in format string.
*/
snprintf(loc_buf, sizeof(loc_buf), "/proc/%d/stat", pid);
file = fopen(loc_buf, "r");
if (!file) {
@@ -448,7 +455,7 @@ static int get_task_stat(pid_t pid, u8 *comm, u32 *flags,
if (!ret) {
ret = -1;
for (i = 0; i < 7; i++) {
tok1 = strtok(NULL, " ");
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
}
@@ -458,22 +465,53 @@ static int get_task_stat(pid_t pid, u8 *comm, u32 *flags,
if (!ret) {
ret = -1;
for (i = 0; i < 15; i++) {
tok1 = strtok(NULL, " ");
for (i = 0; i < 16; i++) {
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
}
tok1 = strtok(NULL, " ");
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
*start_code = atol(tok1);
tok1 = strtok(NULL, " ");
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
*end_code = atol(tok1);
ret = 0;
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
*start_stack = atol(tok1);
ret = 0;
}
if (!ret) {
ret = -1;
for (i = 0; i < 16; i++) {
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
}
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
*start_data = atol(tok1);
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
*end_data = atol(tok1);
tok1 = strtok(NULL, " \n\t");
if (!tok1)
goto err_corrupted;
*start_brk = atol(tok1);
ret = 0;
}
err:
@@ -645,7 +683,11 @@ static int dump_task_core_seized(pid_t pid, struct cr_fdset *cr_fdset)
ret = get_task_stat(pid, core->task_comm,
&core->task_flags,
&core->mm_start_code,
&core->mm_end_code);
&core->mm_end_code,
&core->mm_start_data,
&core->mm_end_data,
&core->mm_start_stack,
&core->mm_start_brk);
if (ret)
goto err_free;
pr_info("OK\n");