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core: expose CFS CPU time quota as high-level unit properties

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This commit is contained in:
Lennart Poettering
2014-04-25 13:27:25 +02:00
parent 3051f1871e
commit b2f8b02ec2
14 changed files with 340 additions and 7 deletions
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src/libsystemd/sd-bus/bus-util.c
+64
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@@ -1250,6 +1250,70 @@ int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignmen
field = strndupa(assignment, eq - assignment);
eq ++;
if (streq(field, "CPUQuota")) {
if (isempty(eq)) {
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPerSecUSec");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "v", "t", (usec_t) -1);
} else if (endswith(eq, "%")) {
double percent;
if (sscanf(eq, "%lf%%", &percent) != 1 || percent <= 0) {
log_error("CPU quota '%s' invalid.", eq);
return -EINVAL;
}
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPerSecUSec");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "v", "t", (usec_t) percent * USEC_PER_SEC / 100);
} else {
usec_t us;
r = parse_sec(eq, &us);
if (r < 0) {
log_error("CPU quota '%s' invalid.", eq);
return -EINVAL;
}
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaUSec");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "v", "t", us);
}
if (r < 0)
return bus_log_create_error(r);
return 0;
} else if (streq(field, "CPUQuotaPeriodSec")) {
usec_t us;
r = parse_sec(eq, &us);
if (r < 0) {
log_error("CPU period '%s' invalid.", eq);
return -EINVAL;
}
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, "CPUQuotaPeriodUSec");
if (r < 0)
return bus_log_create_error(r);
r = sd_bus_message_append(m, "v", "t", us);
if (r < 0)
return bus_log_create_error(r);
return 0;
}
r = sd_bus_message_append_basic(m, SD_BUS_TYPE_STRING, field);
if (r < 0)
return bus_log_create_error(r);