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trace: Add 'vcpu' event property to trace guest vCPU

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This property identifies events that trace vCPU-specific information.

It adds a "CPUState*" argument to events with the property, identifying
the vCPU raising the event. TCG translation events also have a
"TCGv_env" implicit argument that is later used as the "CPUState*"
argument at execution time.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Message-id: 145641861797.30295.6991314023181842105.stgit@localhost
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Lluís Vilanova 2016-02-25 17:43:38 +01:00 • committed by Stefan Hajnoczi
parent b23197f9cf
commit 3d211d9f4d
11 changed files with 189 additions and 32 deletions
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4
scripts/tracetool/transform.py
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@ -6,7 +6,7 @@ Type-transformation rules.
"""
__author__ = "Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2014, Lluís Vilanova <vilanova@ac.upc.edu>"
__copyright__ = "Copyright 2012-2016, Lluís Vilanova <vilanova@ac.upc.edu>"
__license__ = "GPL version 2 or (at your option) any later version"
__maintainer__ = "Stefan Hajnoczi"
@ -98,6 +98,7 @@ HOST_2_TCG = {
"uint32_t": "TCGv_i32",
"uint64_t": "TCGv_i64",
"void *" : "TCGv_ptr",
"CPUArchState *": "TCGv_env",
None: _host_2_tcg,
}
@ -130,6 +131,7 @@ TCG_2_TCG_HELPER_DECL = {
"TCGv_ptr": "ptr",
"TCGv_i32": "i32",
"TCGv_i64": "i64",
"TCGv_env": "env",
None: _tcg_2_tcg_helper_decl_error,
}