diff options
Diffstat (limited to 'src/perfctr.c')
| -rw-r--r-- | src/perfctr.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/src/perfctr.c b/src/perfctr.c index e0d6ad0..64ab168 100644 --- a/src/perfctr.c +++ b/src/perfctr.c @@ -27,6 +27,7 @@ #include "libhsakmt.h" #include "pmc_table.h" #include "linux/kfd_ioctl.h" +#include <unistd.h> #define BITS_PER_BYTE CHAR_BIT @@ -43,6 +44,8 @@ struct perf_trace { enum perf_trace_state state; }; +extern int amd_hsa_thunk_lock_fd; + static HsaCounterProperties *counter_props[MAX_NODES] = {NULL}; static int blockid2uuid(enum perf_block_id block_id, HSA_UUID *uuid) @@ -248,7 +251,15 @@ hsaKmtPmcAcquireTraceAccess( if (trace->magic4cc != HSA_PERF_MAGIC4CC) return HSAKMT_STATUS_INVALID_HANDLE; - return HSAKMT_STATUS_SUCCESS; + if (amd_hsa_thunk_lock_fd > 0) { + if (lockf( amd_hsa_thunk_lock_fd, F_TLOCK, 0 ) != 0) + return HSAKMT_STATUS_ERROR; + else + return HSAKMT_STATUS_SUCCESS; + } + else { + return HSAKMT_STATUS_ERROR; + } } @@ -274,7 +285,16 @@ hsaKmtPmcReleaseTraceAccess( if (trace->magic4cc != HSA_PERF_MAGIC4CC) return HSAKMT_STATUS_INVALID_HANDLE; - return HSAKMT_STATUS_SUCCESS; + if (amd_hsa_thunk_lock_fd > 0) { + if (lockf( amd_hsa_thunk_lock_fd, F_ULOCK, 0 ) != 0) + return HSAKMT_STATUS_ERROR; + else + return HSAKMT_STATUS_SUCCESS; + } + else { + return HSAKMT_STATUS_ERROR; + } + } |