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author | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> | 2015-03-30 18:53:41 -0700 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2015-04-11 20:49:23 +1000 |
commit | 8079876497653381c233445374465c3da6450766 (patch) | |
tree | de33b5d559e29eb9538e9992892eb97817a4c108 /arch/powerpc/perf | |
parent | 7aabe0cec2bcfcb08a4e706ec7c794883cbbcf6f (diff) | |
download | linux-8079876497653381c233445374465c3da6450766.tar.gz linux-8079876497653381c233445374465c3da6450766.tar.bz2 linux-8079876497653381c233445374465c3da6450766.zip |
powerpc/perf/hv-24x7: Drop event_24x7_request()
The function event_24x7_request() is essentially a wrapper to the
function single_24x7_request() and can be dropped to simplify code.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/perf')
-rw-r--r-- | arch/powerpc/perf/hv-24x7.c | 40 |
1 files changed, 15 insertions, 25 deletions
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c index 87c99056ed54..f509f3bd7d2a 100644 --- a/arch/powerpc/perf/hv-24x7.c +++ b/arch/powerpc/perf/hv-24x7.c @@ -985,9 +985,9 @@ static const struct attribute_group *attr_groups[] = { NULL, }; -static unsigned long single_24x7_request(u8 domain, u32 offset, u16 ix, - u16 lpar, u64 *count) +static unsigned long single_24x7_request(struct perf_event *event, u64 *count) { + u16 idx; unsigned long ret; struct hv_24x7_request_buffer *request_buffer; @@ -1004,17 +1004,22 @@ static unsigned long single_24x7_request(u8 domain, u32 offset, u16 ix, memset(request_buffer, 0, 4096); memset(result_buffer, 0, 4096); + if (is_physical_domain(event_get_domain(event))) + idx = event_get_core(event); + else + idx = event_get_vcpu(event); + request_buffer->interface_version = HV_24X7_IF_VERSION_CURRENT; request_buffer->num_requests = 1; req = &request_buffer->requests[0]; - req->performance_domain = domain; + req->performance_domain = event_get_domain(event); req->data_size = cpu_to_be16(8); - req->data_offset = cpu_to_be32(offset); - req->starting_lpar_ix = cpu_to_be16(lpar), + req->data_offset = cpu_to_be32(event_get_offset(event)); + req->starting_lpar_ix = cpu_to_be16(event_get_lpar(event)), req->max_num_lpars = cpu_to_be16(1); - req->starting_ix = cpu_to_be16(ix); + req->starting_ix = cpu_to_be16(idx); req->max_ix = cpu_to_be16(1); /* @@ -1029,7 +1034,8 @@ static unsigned long single_24x7_request(u8 domain, u32 offset, u16 ix, if (ret) { pr_devel_ratelimited("hcall failed: %d %#x %#x %d => " "0x%lx (%ld) detail=0x%x failing ix=%x\n", - domain, offset, ix, lpar, ret, ret, + req->performance_domain, req->data_offset, + idx, req->starting_lpar_ix, ret, ret, result_buffer->detailed_rc, result_buffer->failing_request_ix); goto out; @@ -1042,22 +1048,6 @@ out: return ret; } -static unsigned long event_24x7_request(struct perf_event *event, u64 *res) -{ - u16 idx; - unsigned domain = event_get_domain(event); - - if (is_physical_domain(domain)) - idx = event_get_core(event); - else - idx = event_get_vcpu(event); - - return single_24x7_request(event_get_domain(event), - event_get_offset(event), - idx, - event_get_lpar(event), - res); -} static int h_24x7_event_init(struct perf_event *event) { @@ -1126,7 +1116,7 @@ static int h_24x7_event_init(struct perf_event *event) } /* see if the event complains */ - if (event_24x7_request(event, &ct)) { + if (single_24x7_request(event, &ct)) { pr_devel("test hcall failed\n"); return -EIO; } @@ -1138,7 +1128,7 @@ static u64 h_24x7_get_value(struct perf_event *event) { unsigned long ret; u64 ct; - ret = event_24x7_request(event, &ct); + ret = single_24x7_request(event, &ct); if (ret) /* We checked this in event init, shouldn't fail here... */ return 0; |