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| author | Lukasz Stanislawski <l.stanislaws@samsung.com> | 2018-05-14 08:51:06 +0200 |
|---|---|---|
| committer | Lukasz Stanislawski <l.stanislaws@samsung.com> | 2018-06-12 08:55:25 +0000 |
| commit | ccfc169cd89d7d31f4a6c3138ce8810013493592 (patch) | |
| tree | 17bd597b9de9128688042574c3b813cbe91944d2 | |
| parent | 680a49e6aedbe1b24373ba3a90fe074c2fa7cb57 (diff) | |
| download | ttsd-worker-task-ccfc169cd89d7d31f4a6c3138ce8810013493592.tar.gz ttsd-worker-task-ccfc169cd89d7d31f4a6c3138ce8810013493592.tar.bz2 ttsd-worker-task-ccfc169cd89d7d31f4a6c3138ce8810013493592.zip | |
procfs: Implement reading load averages
Change-Id: I138e545c1adca80ad34bffd41dcde78e077503c8
| -rw-r--r-- | src/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | src/procfs.c | 29 |
2 files changed, 28 insertions, 2 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index ecbf1cf..738674f 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -13,6 +13,7 @@ SET(CMAKE_EXE_LINKER_FLAGS "-Wl,--as-needed -pie") SET(SRCS task-worker.c + procfs.c ) ADD_EXECUTABLE(${PROJECT_NAME} ${SRCS}) diff --git a/src/procfs.c b/src/procfs.c index 3a285e4..4c906db 100644 --- a/src/procfs.c +++ b/src/procfs.c @@ -14,11 +14,36 @@ * limitations under the License. */ +#include <stdio.h> + #include "procfs.h" +#include "log.h" + +#define LOADAVG_FILEPATH "/proc/loadavg" -int procfs_read_system_load_average(struct procfs_load_average_info *avg) +int procfs_read_system_load_average(struct procfs_load_average_info *info) { - return -1; + float a1, a5, a15; + + FILE *loadavg_fp = fopen(LOADAVG_FILEPATH, "r"); + if (!loadavg_fp) { + ERR("failed to open " LOADAVG_FILEPATH); + return -1; + } + + if (fscanf(loadavg_fp, "%f %f %f", &a1, &a5, &a15) != 3) { + ERR("failed to read " LOADAVG_FILEPATH); + fclose(loadavg_fp); + return -1; + } + + info->one_min_avg = a1; + info->five_min_avg = a5; + info->fifteen_min_avg = a15; + + fclose(loadavg_fp); + + return 0; } int profcs_read_system_cpu_usage(struct procfs_system_cpu_usage_info *usage) |