60     uint8_t *p = nullptr;  in ReadBufferAndCheck()  local
61     while ((p = buf.GetReadData()) != nullptr) {  in ReadBufferAndCheck()
62         ASSERT_EQ(memcpy_s(&readData, sizeof(perf_event_header), p, sizeof(perf_event_header)), 0);  in ReadBufferAndCheck()
65         p += sizeof(perf_event_header);  in ReadBufferAndCheck()
68             ASSERT_EQ(*p, data) << "checkSize = " << hex << checkSize;  in ReadBufferAndCheck()
69             p++;  in ReadBufferAndCheck()
83     uint8_t *p = nullptr;  in WriteBuffer()  local
84     while ((p = buf.AllocForWrite(writeData.size)) != nullptr) {  in WriteBuffer()
85         ASSERT_EQ(memcpy_s(p, writeData.size, &writeData, sizeof(perf_event_header)), 0);  in WriteBuffer()
86         p += sizeof(perf_event_header);  in WriteBuffer()
89             *p = data;  in WriteBuffer()
90             p++;  in WriteBuffer()
123     uint8_t *p = nullptr;  variable
124     while ((p = rb.AllocForWrite(writeData.size)) != nullptr) {
125         ASSERT_EQ(memcpy_s(p, writeData.size, &writeData, sizeof(perf_event_header)), 0);
142     p = rb.GetReadData();
143     ASSERT_NE(p, nullptr);
144     ASSERT_GE(p, tail); // reading has been ahead of writing