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add bootchart

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Signed-off-by: xionglei6 <xionglei6@huawei.com>
This commit is contained in:
xionglei6 2022-02-21 17:40:23 +08:00
parent 9afda3bfec
commit 1469698232
1 changed files with 2 additions and 5 deletions
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7
services/plugin/bootchart/bootchart.c
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@ -112,13 +112,12 @@ static void BootchartLogProcessStat(FILE *log, pid_t pid)
{
static char path[255] = { }; // 255 path length
static char nameBuffer[255] = { }; // 255 path length
// /proc/<pid>/stat only has truncated task names, so get the full name from /proc/<pid>/cmdline.
int ret = sprintf_s(path, sizeof(path) - 1, "/proc/%d/cmdline", pid);
PLUGIN_CHECK(ret > 0, return, "Failed to format path %d", pid);
path[ret] = '\0';
char *name = ReadFileToBuffer(path, nameBuffer, sizeof(nameBuffer));
// Read process stat line.
// Read process stat line
ret = sprintf_s(path, sizeof(path) - 1, "/proc/%d/stat", pid);
PLUGIN_CHECK(ret > 0, return, "Failed to format path %d", pid);
path[ret] = '\0';
@ -128,7 +127,6 @@ static void BootchartLogProcessStat(FILE *log, pid_t pid)
return;
}
if (name != NULL && strlen(name) > 0) {
// Substitute the process name with its real name.
char *end = NULL;
char *start = strstr(stat, "(");
if (start != NULL) {
@ -154,7 +152,7 @@ static void bootchartLogProcess(FILE *log)
PLUGIN_CHECK(pDir != NULL, return, "Read dir /proc failed.%d", errno);
struct dirent *entry;
while ((entry = readdir(pDir)) != NULL) {
pid_t pid = (pid_t)atoi(entry->d_name); // // Only process processor
pid_t pid = (pid_t)atoi(entry->d_name); // Only process processor
if (pid == 0) {
continue;
}
@ -228,7 +226,6 @@ static int DoBootchartStart(void)
PLUGIN_LOGI("Invalid bootchart plugin");
return -1;
}
// We don't care about the content, but we do care that /data/bootchart/enabled actually exists.
char enable[4] = {}; // 4 enable size
uint32_t size = sizeof(enable);
if (g_pluginInterface->systemReadParam != NULL) {