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| author | Nathan Fontenot <nfont@austin.ibm.com> | 2009-05-27 08:41:21 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-02 04:36:10 +0400 |
| commit | f03cdb3a66901bb301b9d06ac0690de00d99ad39 (patch) | |
| tree | e980775548ea02b7abe646eb24a9f6b3e32be920 /arch/powerpc/kernel/lparcfg.c | |
| parent | f8729e8531cd92e892dd85a3d10669834ad0b23c (diff) | |
| download | linux-f03cdb3a66901bb301b9d06ac0690de00d99ad39.tar.xz | |
powerpc: Display processor virtualization resource allocs in lparcfg
This patch updates the output from /proc/ppc64/lparcfg to display the
processor virtualization resource allocations for a shared processor
partition.
This information is already gathered via the h_get_ppp call, we just
have to make sure that the ibm,partition-performance-parameters-level
property is >= 1 to ensure that the information is valid.
Signed-off-by: Nathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/lparcfg.c')
| -rw-r--r-- | arch/powerpc/kernel/lparcfg.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 78b3f7840ade..2419cc706ff1 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -169,6 +169,9 @@ struct hvcall_ppp_data { u8 unallocated_weight; u16 active_procs_in_pool; u16 active_system_procs; + u16 phys_platform_procs; + u32 max_proc_cap_avail; + u32 entitled_proc_cap_avail; }; /* @@ -190,13 +193,18 @@ struct hvcall_ppp_data { * XX - Unallocated Variable Processor Capacity Weight. * XXXX - Active processors in Physical Processor Pool. * XXXX - Processors active on platform. + * R8 (QQQQRRRRRRSSSSSS). if ibm,partition-performance-parameters-level >= 1 + * XXXX - Physical platform procs allocated to virtualization. + * XXXXXX - Max procs capacity % available to the partitions pool. + * XXXXXX - Entitled procs capacity % available to the + * partitions pool. */ static unsigned int h_get_ppp(struct hvcall_ppp_data *ppp_data) { unsigned long rc; - unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; + unsigned long retbuf[PLPAR_HCALL9_BUFSIZE]; - rc = plpar_hcall(H_GET_PPP, retbuf); + rc = plpar_hcall9(H_GET_PPP, retbuf); ppp_data->entitlement = retbuf[0]; ppp_data->unallocated_entitlement = retbuf[1]; @@ -210,6 +218,10 @@ static unsigned int h_get_ppp(struct hvcall_ppp_data *ppp_data) ppp_data->active_procs_in_pool = (retbuf[3] >> 2 * 8) & 0xffff; ppp_data->active_system_procs = retbuf[3] & 0xffff; + ppp_data->phys_platform_procs = retbuf[4] >> 6 * 8; + ppp_data->max_proc_cap_avail = (retbuf[4] >> 3 * 8) & 0xffffff; + ppp_data->entitled_proc_cap_avail = retbuf[4] & 0xffffff; + return rc; } @@ -234,6 +246,8 @@ static unsigned h_pic(unsigned long *pool_idle_time, static void parse_ppp_data(struct seq_file *m) { struct hvcall_ppp_data ppp_data; + struct device_node *root; + const int *perf_level; int rc; rc = h_get_ppp(&ppp_data); @@ -267,6 +281,28 @@ static void parse_ppp_data(struct seq_file *m) seq_printf(m, "capped=%d\n", ppp_data.capped); seq_printf(m, "unallocated_capacity=%lld\n", ppp_data.unallocated_entitlement); + + /* The last bits of information returned from h_get_ppp are only + * valid if the ibm,partition-performance-parameters-level + * property is >= 1. + */ + root = of_find_node_by_path("/"); + if (root) { + perf_level = of_get_property(root, + "ibm,partition-performance-parameters-level", + NULL); + if (perf_level && (*perf_level >= 1)) { + seq_printf(m, + "physical_procs_allocated_to_virtualization=%d\n", + ppp_data.phys_platform_procs); + seq_printf(m, "max_proc_capacity_available=%d\n", + ppp_data.max_proc_cap_avail); + seq_printf(m, "entitled_proc_capacity_available=%d\n", + ppp_data.entitled_proc_cap_avail); + } + + of_node_put(root); + } } /** |