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NUMA: fill in /sys/devices/system/cpu/nodeX properly and sync with boot script

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This commit is contained in:
Balazs Gerofi
2016-10-14 07:32:01 +09:00
parent b068fde9cd
commit 73e1a4f1f9
2 changed files with 43 additions and 1 deletions
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35
executer/kernel/mcctrl/sysfs_files.c
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@ -538,6 +538,34 @@ static void setup_cpu_sysfs_files(struct mcctrl_usrdata *udp,
return;
} /* setup_cpu_sysfs_files() */
static void setup_cpus_sysfs_files_node_link(struct mcctrl_usrdata *udp)
{
int error;
int cpu;
struct sysfs_handle handle;
for (cpu = 0; cpu < udp->cpu_info->n_cpus; ++cpu) {
int node = linux_numa_2_mckernel_numa(udp,
cpu_to_node(mckernel_cpu_2_linux_cpu(udp, cpu)));
error = sysfsm_lookupf(udp->os, &handle,
"/sys/devices/system/node/node%d", node);
if (error) {
panic("sysfsm_lookupf: node for CPU");
}
error = sysfsm_symlinkf(udp->os, handle,
"/sys/devices/system/cpu/cpu%d/node%d",
cpu, node);
if (error) {
panic("sysfsm_symlinkf(CPU in node)");
}
}
error = 0;
return;
}
static void setup_cpus_sysfs_files(struct mcctrl_usrdata *udp)
{
int error;
@ -1028,8 +1056,15 @@ void setup_sysfs_files(ihk_os_t os)
setup_local_snooping_files(os);
setup_cpus_sysfs_files(udp);
setup_node_files(udp);
setup_cpus_sysfs_files_node_link(udp);
setup_pci_files(udp);
/* Indicate sysfs files setup completion for boot script */
error = sysfsm_mkdirf(os, NULL, "/sys/setup_complete");
if (error) {
panic("sysfsm_mkdir(complete)");
}
return;
} /* setup_files() */