From be1da7070aeaee23ff659c1a8cd992789ff86da4 Mon Sep 17 00:00:00 2001 From: Zhi Wang Date: Tue, 3 May 2016 18:26:57 -0400 Subject: drm/i915/gvt: vGPU command scanner This patch introduces a command scanner to scan guest command buffers. Signed-off-by: Yulei Zhang Signed-off-by: Zhi Wang Signed-off-by: Zhenyu Wang --- drivers/gpu/drm/i915/gvt/trace.h | 52 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) (limited to 'drivers/gpu/drm/i915/gvt/trace.h') diff --git a/drivers/gpu/drm/i915/gvt/trace.h b/drivers/gpu/drm/i915/gvt/trace.h index 27577dcfd9d8..53a2d10cf3f1 100644 --- a/drivers/gpu/drm/i915/gvt/trace.h +++ b/drivers/gpu/drm/i915/gvt/trace.h @@ -224,6 +224,58 @@ TRACE_EVENT(oos_sync, TP_printk("%s", __entry->buf) ); +#define MAX_CMD_STR_LEN 256 +TRACE_EVENT(gvt_command, + TP_PROTO(u8 vm_id, u8 ring_id, u32 ip_gma, u32 *cmd_va, u32 cmd_len, bool ring_buffer_cmd, cycles_t cost_pre_cmd_handler, cycles_t cost_cmd_handler), + + TP_ARGS(vm_id, ring_id, ip_gma, cmd_va, cmd_len, ring_buffer_cmd, cost_pre_cmd_handler, cost_cmd_handler), + + TP_STRUCT__entry( + __field(u8, vm_id) + __field(u8, ring_id) + __field(int, i) + __array(char, tmp_buf, MAX_CMD_STR_LEN) + __array(char, cmd_str, MAX_CMD_STR_LEN) + ), + + TP_fast_assign( + __entry->vm_id = vm_id; + __entry->ring_id = ring_id; + __entry->cmd_str[0] = '\0'; + snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "VM(%d) Ring(%d): %s ip(%08x) pre handler cost (%llu), handler cost (%llu) ", vm_id, ring_id, ring_buffer_cmd ? "RB":"BB", ip_gma, cost_pre_cmd_handler, cost_cmd_handler); + strcat(__entry->cmd_str, __entry->tmp_buf); + entry->i = 0; + while (cmd_len > 0) { + if (cmd_len >= 8) { + snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x %08x %08x %08x %08x %08x %08x ", + cmd_va[__entry->i], cmd_va[__entry->i+1], cmd_va[__entry->i+2], cmd_va[__entry->i+3], + cmd_va[__entry->i+4], cmd_va[__entry->i+5], cmd_va[__entry->i+6], cmd_va[__entry->i+7]); + __entry->i += 8; + cmd_len -= 8; + strcat(__entry->cmd_str, __entry->tmp_buf); + } else if (cmd_len >= 4) { + snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x %08x %08x ", + cmd_va[__entry->i], cmd_va[__entry->i+1], cmd_va[__entry->i+2], cmd_va[__entry->i+3]); + __entry->i += 4; + cmd_len -= 4; + strcat(__entry->cmd_str, __entry->tmp_buf); + } else if (cmd_len >= 2) { + snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x %08x ", cmd_va[__entry->i], cmd_va[__entry->i+1]); + __entry->i += 2; + cmd_len -= 2; + strcat(__entry->cmd_str, __entry->tmp_buf); + } else if (cmd_len == 1) { + snprintf(__entry->tmp_buf, MAX_CMD_STR_LEN, "%08x ", cmd_va[__entry->i]); + __entry->i += 1; + cmd_len -= 1; + strcat(__entry->cmd_str, __entry->tmp_buf); + } + } + strcat(__entry->cmd_str, "\n"); + ), + + TP_printk("%s", __entry->cmd_str) +); #endif /* _GVT_TRACE_H_ */ /* This part must be out of protection */ -- cgit