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sysinfo, procfs: Support memory info partially

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Change-Id: I597dae4f82d64d3f23889cef960db18ae879ff06
refs: #1389
This commit is contained in:
Ken Sato
2020-04-07 12:55:52 +09:00
committed by Masamichi Takagi
parent 8e42c2a254
commit 8f74888f87
14 changed files with 506 additions and 0 deletions
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21
kernel/syscall.c
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@@ -6623,6 +6623,27 @@ SYSCALL_DECLARE(getrusage)
return 0;
}
SYSCALL_DECLARE(sysinfo)
{
struct sysinfo *sysinfo = (struct sysinfo *)ihk_mc_syscall_arg0(ctx);
struct sysinfo __sysinfo;
int ret = 0;
memset(&__sysinfo, '\0', sizeof(struct sysinfo));
__sysinfo.totalram = rusage_get_total_memory();
__sysinfo.freeram = rusage_get_free_memory();
__sysinfo.mem_unit = 1; // always one unit for McKernel
if (copy_to_user(sysinfo, &__sysinfo, sizeof(struct sysinfo))) {
ret = -EFAULT;
goto out;
}
out:
return ret;
}
extern int ptrace_traceme(void);
extern void set_single_step(struct thread *thread);