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systemctl: show IO stats in 'status' output

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This commit is contained in:
Lennart Poettering 2019-03-22 12:18:31 +01:00
parent 826f7cb15b
commit 7a5de3f951
1 changed files with 14 additions and 1 deletions
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15
src/systemctl/systemctl.c
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@ -4125,9 +4125,10 @@ typedef struct UnitStatusInfo {
uint64_t cpu_usage_nsec;
uint64_t tasks_current;
uint64_t tasks_max;
uint64_t ip_ingress_bytes;
uint64_t ip_egress_bytes;
uint64_t io_read_bytes;
uint64_t io_write_bytes;
LIST_HEAD(ExecStatusInfo, exec);
} UnitStatusInfo;
@ -4482,6 +4483,14 @@ static void print_status_info(
format_bytes(buf_out, sizeof(buf_out), i->ip_egress_bytes));
}
if (i->io_read_bytes != UINT64_MAX && i->io_write_bytes != UINT64_MAX) {
char buf_in[FORMAT_BYTES_MAX], buf_out[FORMAT_BYTES_MAX];
printf(" IO: %s read, %s written\n",
format_bytes(buf_in, sizeof(buf_in), i->io_read_bytes),
format_bytes(buf_out, sizeof(buf_out), i->io_write_bytes));
}
if (i->tasks_current != (uint64_t) -1) {
printf(" Tasks: %" PRIu64, i->tasks_current);
@ -5490,6 +5499,8 @@ static int show_one(
{ "TasksMax", "t", NULL, offsetof(UnitStatusInfo, tasks_max) },
{ "IPIngressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_ingress_bytes) },
{ "IPEgressBytes", "t", NULL, offsetof(UnitStatusInfo, ip_egress_bytes) },
{ "IOReadBytes", "t", NULL, offsetof(UnitStatusInfo, io_read_bytes) },
{ "IOWriteBytes", "t", NULL, offsetof(UnitStatusInfo, io_write_bytes) },
{ "ExecStartPre", "a(sasbttttuii)", map_exec, 0 },
{ "ExecStart", "a(sasbttttuii)", map_exec, 0 },
{ "ExecStartPost", "a(sasbttttuii)", map_exec, 0 },
@ -5514,6 +5525,8 @@ static int show_one(
.tasks_max = (uint64_t) -1,
.ip_ingress_bytes = (uint64_t) -1,
.ip_egress_bytes = (uint64_t) -1,
.io_read_bytes = UINT64_MAX,
.io_write_bytes = UINT64_MAX,
};
char **pp;
int r;