SWDEV-469750: Load libpciaccess-dev functions with dlopen. Removed libsystemd-dev from CMakeLists.txt

Change-Id: I314c188fabc2dd4de3b633d722599bc11a046622


[ROCm/rocprofiler commit: 4ed346aa63]

projects/rocprofiler/src/core/counters/mmio/mmio.cpp

@@ -21,8 +21,10 @@
 #include "mmio.h"
 #include <cstdint>
 #include "../../../utils/helper.h"
+#include "../../../utils/libpci_helper.h"
 #include "pcie_perfmon_registers_mi200.h"
 #include "df_perfmon_registers_mi200.h"
+
 namespace rocprofiler {
 
 namespace mmio {
@@ -57,23 +59,24 @@ MMIO::MMIO(const HSAAgentInfo& info)
   const auto pci_location_id = agent_info_->GetDeviceInfo().getPCILocationID();
 
   pci_device_ =
-      pci_device_find_by_slot(pci_domain, pci_location_id >> 8, pci_location_id & 0xFF, 0);
-  if (!pci_device_ || pci_device_probe(pci_device_)) fatal("failed to probe the GPU device\n");
+      GetPciAccessLibApi()->pci_device_find_by_slot(pci_domain, pci_location_id >> 8, pci_location_id & 0xFF, 0);
+  if (!pci_device_ || GetPciAccessLibApi()->pci_device_probe(pci_device_)) fatal("failed to probe the GPU device\n");
 
   // Look for a region between 256KB and 4096KB, 32-bit, non IO, and non prefetchable.
   for (size_t region = 0; region < sizeof(pci_device::regions) / sizeof(pci_device::regions[0]);
-       ++region)
+       ++region){
     if (pci_device_->regions[region].is_64 == 0 &&
         pci_device_->regions[region].is_prefetchable == 0 &&
         pci_device_->regions[region].is_IO == 0 &&
         pci_device_->regions[region].size >= (256UL * 1024) &&
         pci_device_->regions[region].size <= (4096UL * 1024)) {
       pci_memory_size_ = pci_device_->regions[region].size;
-      int err = pci_device_map_range(pci_device_, pci_device_->regions[region].base_addr,
+      int err = GetPciAccessLibApi()->pci_device_map_range(pci_device_, pci_device_->regions[region].base_addr,
                                      pci_device_->regions[region].size, PCI_DEV_MAP_FLAG_WRITABLE,
                                      (void**)&pci_memory_);
       if (err) fatal("failed to map the registers. Error code: %d\n", err);
     }
+  }
 
   if (pci_memory_ == nullptr) fatal("could not find the pci memory address\n");
 
@@ -82,7 +85,7 @@ MMIO::MMIO(const HSAAgentInfo& info)
 
 MMIO::~MMIO() {
   if (pci_memory_) {
-    int err = pci_device_unmap_range(pci_device_, pci_memory_, pci_memory_size_);
+    int err = GetPciAccessLibApi()->pci_device_unmap_range(pci_device_, pci_memory_, pci_memory_size_);
     if (err) warning("failed to unmap the pci memory. Error code: %d\n", err);
   }
 }

projects/rocprofiler/src/core/session/counters_sampler.cpp

@@ -23,6 +23,7 @@
 #include "src/api/rocprofiler_singleton.h"
 #include "src/core/counters/mmio/pcie_counters_mi200.h"
 #include "src/core/counters/mmio/df_counters_mi200.h"
+#include "src/utils/libpci_helper.h"
 
 namespace rocprofiler {
 
@@ -32,9 +33,9 @@ CountersSampler::CountersSampler(rocprofiler_buffer_id_t buffer_id,
     : buffer_id_(buffer_id),
       filter_id_(filter_id),
       session_id_(session_id),
-      pci_system_initialized_(pci_system_init() == 0)
-
+      pci_system_initialized_(false)
 {
+  pci_system_initialized_ = GetPciAccessLibApi()->pci_system_init() == 0;
   params_ = rocprofiler::ROCProfiler_Singleton::GetInstance()
                 .GetSession(session_id_)
                 ->GetFilter(filter_id_)
@@ -94,8 +95,9 @@ CountersSampler::~CountersSampler() {
   // clean up libpcieaccess resources
   // TODO: should be part of mmio class in future
   if (pci_system_initialized_) {
-    pci_system_cleanup();
+    GetPciAccessLibApi()->pci_system_cleanup();
     pci_system_initialized_ = false;
+    UnLoadPcieAccessLibAPI();
   }
 }