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| author | Heiko Carstens | 2011-08-10 10:34:32 +0200 |
|---|---|---|
| committer | Heiko Carstens | 2011-08-14 17:34:30 +0200 |
| commit | a0fff77e932b704b3d2ab0ad789d466cb42047ed (patch) | |
| tree | de940511e67c0324210f9bd5c692a07d468617b7 /sys-utils/lscpu.c | |
| parent | lscpu: use hypervisor generated topology information (diff) | |
| download | kernel-qcow2-util-linux-a0fff77e932b704b3d2ab0ad789d466cb42047ed.tar.gz kernel-qcow2-util-linux-a0fff77e932b704b3d2ab0ad789d466cb42047ed.tar.xz kernel-qcow2-util-linux-a0fff77e932b704b3d2ab0ad789d466cb42047ed.zip | |
lscpu: show dispatching mode
A virtual guest my run in either "horiziontal" or "vertical" mode
which is the mode in which the underlying hypervisor schedules the
guest cpu.
Since this is of interest print this in the readable output.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'sys-utils/lscpu.c')
| -rw-r--r-- | sys-utils/lscpu.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c index 9e4e1c057..aba7ab8bf 100644 --- a/sys-utils/lscpu.c +++ b/sys-utils/lscpu.c @@ -97,6 +97,17 @@ struct cpu_cache { cpu_set_t **sharedmaps; }; +/* dispatching modes */ +enum { + DISP_HORIZONTAL = 0, + DISP_VERTICAL = 1 +}; + +const char *disp_modes[] = { + [DISP_HORIZONTAL] = N_("horizontal"), + [DISP_VERTICAL] = N_("vertical") +}; + /* global description */ struct lscpu_desc { char *arch; @@ -110,6 +121,7 @@ struct lscpu_desc { char *stepping; char *bogomips; char *flags; + int dispatching; /* none, horizontal or vertical */ int mode; /* rm, lm or/and tm */ int ncpus; /* number of CPUs */ @@ -478,6 +490,12 @@ read_basicinfo(struct lscpu_desc *desc) desc->online = path_cpulist(_PATH_SYS_SYSTEM "/cpu/online"); desc->nthreads = CPU_COUNT_S(setsize, desc->online); } + + /* get dispatching mode */ + if (path_exist(_PATH_SYS_SYSTEM "/cpu/dispatching")) + desc->dispatching = path_getnum(_PATH_SYS_SYSTEM "/cpu/dispatching"); + else + desc->dispatching = -1; } static int @@ -1065,6 +1083,8 @@ print_readable(struct lscpu_desc *desc, int hex) print_s(_("Hypervisor vendor:"), hv_vendors[desc->hyper]); print_s(_("Virtualization type:"), virt_types[desc->virtype]); } + if (desc->dispatching >= 0) + print_s(_("Dispatching mode:"), disp_modes[desc->dispatching]); if (desc->ncaches) { char buf[512]; int i; |